ESB-2018.1563 - [RedHat] kernel: Access privileged data - Existing account 2018-05-23

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1563
                     Important: kernel security update
                                23 May 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           kernel
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux WS/Desktop 7
                   Red Hat Enterprise Linux Server 7
                   Red Hat Enterprise Linux WS/Desktop 6
                   Red Hat Enterprise Linux Server 6
Impact/Access:     Access Privileged Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-3639  

Reference:         ASB-2018.0121
                   ESB-2018.1554
                   ESB-2018.1550
                   ESB-2018.1545

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2018:1629
   https://access.redhat.com/errata/RHSA-2018:1635
   https://access.redhat.com/errata/RHSA-2018:1636
   https://access.redhat.com/errata/RHSA-2018:1642
   https://access.redhat.com/errata/RHSA-2018:1651

Comment: This bulletin contains five (5) Red Hat security advisories.

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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: kernel security update
Advisory ID:       RHSA-2018:1629-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1629
Issue date:        2018-05-21
CVE Names:         CVE-2018-3639 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - noarch, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - noarch, ppc64le

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* An industry-wide issue was found in the way many modern microprocessor
designs have implemented speculative execution of Load & Store instructions
(a commonly used performance optimization). It relies on the presence of a
precisely-defined instruction sequence in the privileged code as well as
the fact that memory read from address to which a recent memory write has
occurred may see an older value and subsequently cause an update into the
microprocessor's data cache even for speculatively executed instructions
that never actually commit (retire). As a result, an unprivileged attacker
could use this flaw to read privileged memory by conducting targeted cache
side-channel attacks. (CVE-2018-3639)

Note: This issue is present in hardware and cannot be fully fixed via
software update. The updated kernel packages provide software side of the
mitigation for this hardware issue. To be fully functional, up-to-date CPU
microcode applied on the system is required. Please refer to References
section for further information about this issue, CPU microcode
requirements and the potential performance impact.

In this update mitigations for x86-64 architecture are provided.

Red Hat would like to thank Ken Johnson (Microsoft Security Response
Center) and Jann Horn (Google Project Zero) for reporting this issue.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1566890 - CVE-2018-3639 hw: cpu: speculative store bypass

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
kernel-3.10.0-862.3.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-862.3.2.el7.noarch.rpm
kernel-doc-3.10.0-862.3.2.el7.noarch.rpm

x86_64:
kernel-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debug-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.3.2.el7.x86_64.rpm
kernel-devel-3.10.0-862.3.2.el7.x86_64.rpm
kernel-headers-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-862.3.2.el7.x86_64.rpm
perf-3.10.0-862.3.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
python-perf-3.10.0-862.3.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
kernel-debug-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-862.3.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
kernel-3.10.0-862.3.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-862.3.2.el7.noarch.rpm
kernel-doc-3.10.0-862.3.2.el7.noarch.rpm

x86_64:
kernel-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debug-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.3.2.el7.x86_64.rpm
kernel-devel-3.10.0-862.3.2.el7.x86_64.rpm
kernel-headers-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-862.3.2.el7.x86_64.rpm
perf-3.10.0-862.3.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
python-perf-3.10.0-862.3.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
kernel-debug-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-862.3.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
kernel-3.10.0-862.3.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-862.3.2.el7.noarch.rpm
kernel-doc-3.10.0-862.3.2.el7.noarch.rpm

ppc64:
kernel-3.10.0-862.3.2.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-862.3.2.el7.ppc64.rpm
kernel-debug-3.10.0-862.3.2.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-862.3.2.el7.ppc64.rpm
kernel-debug-devel-3.10.0-862.3.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-862.3.2.el7.ppc64.rpm
kernel-devel-3.10.0-862.3.2.el7.ppc64.rpm
kernel-headers-3.10.0-862.3.2.el7.ppc64.rpm
kernel-tools-3.10.0-862.3.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.ppc64.rpm
kernel-tools-libs-3.10.0-862.3.2.el7.ppc64.rpm
perf-3.10.0-862.3.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-862.3.2.el7.ppc64.rpm
python-perf-3.10.0-862.3.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.ppc64.rpm

ppc64le:
kernel-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debug-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-devel-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-headers-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-tools-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-862.3.2.el7.ppc64le.rpm
perf-3.10.0-862.3.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
python-perf-3.10.0-862.3.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm

s390x:
kernel-3.10.0-862.3.2.el7.s390x.rpm
kernel-debug-3.10.0-862.3.2.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-862.3.2.el7.s390x.rpm
kernel-debug-devel-3.10.0-862.3.2.el7.s390x.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-862.3.2.el7.s390x.rpm
kernel-devel-3.10.0-862.3.2.el7.s390x.rpm
kernel-headers-3.10.0-862.3.2.el7.s390x.rpm
kernel-kdump-3.10.0-862.3.2.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-862.3.2.el7.s390x.rpm
kernel-kdump-devel-3.10.0-862.3.2.el7.s390x.rpm
perf-3.10.0-862.3.2.el7.s390x.rpm
perf-debuginfo-3.10.0-862.3.2.el7.s390x.rpm
python-perf-3.10.0-862.3.2.el7.s390x.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.s390x.rpm

x86_64:
kernel-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debug-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.3.2.el7.x86_64.rpm
kernel-devel-3.10.0-862.3.2.el7.x86_64.rpm
kernel-headers-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-862.3.2.el7.x86_64.rpm
perf-3.10.0-862.3.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
python-perf-3.10.0-862.3.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

noarch:
kernel-abi-whitelists-3.10.0-862.3.2.el7.noarch.rpm
kernel-doc-3.10.0-862.3.2.el7.noarch.rpm

ppc64le:
kernel-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debug-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-devel-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-headers-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-tools-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-862.3.2.el7.ppc64le.rpm
perf-3.10.0-862.3.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
python-perf-3.10.0-862.3.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm

s390x:
kernel-3.10.0-862.3.2.el7.s390x.rpm
kernel-debug-3.10.0-862.3.2.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-862.3.2.el7.s390x.rpm
kernel-debug-devel-3.10.0-862.3.2.el7.s390x.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-862.3.2.el7.s390x.rpm
kernel-devel-3.10.0-862.3.2.el7.s390x.rpm
kernel-headers-3.10.0-862.3.2.el7.s390x.rpm
kernel-kdump-3.10.0-862.3.2.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-862.3.2.el7.s390x.rpm
kernel-kdump-devel-3.10.0-862.3.2.el7.s390x.rpm
perf-3.10.0-862.3.2.el7.s390x.rpm
perf-debuginfo-3.10.0-862.3.2.el7.s390x.rpm
python-perf-3.10.0-862.3.2.el7.s390x.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.s390x.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
kernel-debug-debuginfo-3.10.0-862.3.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-862.3.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-862.3.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-862.3.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.ppc64.rpm

ppc64le:
kernel-debug-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-862.3.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-862.3.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

noarch:
kernel-doc-3.10.0-862.3.2.el7.noarch.rpm

ppc64le:
kernel-debug-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-862.3.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.ppc64le.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
kernel-3.10.0-862.3.2.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-862.3.2.el7.noarch.rpm
kernel-doc-3.10.0-862.3.2.el7.noarch.rpm

x86_64:
kernel-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debug-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.3.2.el7.x86_64.rpm
kernel-devel-3.10.0-862.3.2.el7.x86_64.rpm
kernel-headers-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-862.3.2.el7.x86_64.rpm
perf-3.10.0-862.3.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
python-perf-3.10.0-862.3.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
kernel-debug-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-862.3.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-862.3.2.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-3639
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/ssbd

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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Hash: SHA256

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: kernel security update
Advisory ID:       RHSA-2018:1635-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1635
Issue date:        2018-05-22
CVE Names:         CVE-2018-3639 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.4
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.4) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.4) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.4) - noarch, ppc64, ppc64le, x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* An industry-wide issue was found in the way many modern microprocessor
designs have implemented speculative execution of Load & Store instructions
(a commonly used performance optimization). It relies on the presence of a
precisely-defined instruction sequence in the privileged code as well as
the fact that memory read from address to which a recent memory write has
occurred may see an older value and subsequently cause an update into the
microprocessor's data cache even for speculatively executed instructions
that never actually commit (retire). As a result, an unprivileged attacker
could use this flaw to read privileged memory by conducting targeted cache
side-channel attacks. (CVE-2018-3639)

Note: This issue is present in hardware and cannot be fully fixed via
software update. The updated kernel packages provide software side of the
mitigation for this hardware issue. To be fully functional, up-to-date CPU
microcode applied on the system is required. Please refer to References
section for further information about this issue, CPU microcode
requirements and the potential performance impact.

In this update mitigations for x86-64 architecture are provided.

Red Hat would like to thank Ken Johnson (Microsoft Security Response
Center) and Jann Horn (Google Project Zero) for reporting this issue.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1566890 - CVE-2018-3639 hw: cpu: speculative store bypass

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.4):

Source:
kernel-3.10.0-693.25.7.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.25.7.el7.noarch.rpm
kernel-doc-3.10.0-693.25.7.el7.noarch.rpm

x86_64:
kernel-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debug-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.25.7.el7.x86_64.rpm
kernel-devel-3.10.0-693.25.7.el7.x86_64.rpm
kernel-headers-3.10.0-693.25.7.el7.x86_64.rpm
kernel-tools-3.10.0-693.25.7.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.25.7.el7.x86_64.rpm
perf-3.10.0-693.25.7.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
python-perf-3.10.0-693.25.7.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.4):

x86_64:
kernel-debug-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.25.7.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.25.7.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.4):

Source:
kernel-3.10.0-693.25.7.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-693.25.7.el7.noarch.rpm
kernel-doc-3.10.0-693.25.7.el7.noarch.rpm

ppc64:
kernel-3.10.0-693.25.7.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-693.25.7.el7.ppc64.rpm
kernel-debug-3.10.0-693.25.7.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-693.25.7.el7.ppc64.rpm
kernel-debug-devel-3.10.0-693.25.7.el7.ppc64.rpm
kernel-debuginfo-3.10.0-693.25.7.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-693.25.7.el7.ppc64.rpm
kernel-devel-3.10.0-693.25.7.el7.ppc64.rpm
kernel-headers-3.10.0-693.25.7.el7.ppc64.rpm
kernel-tools-3.10.0-693.25.7.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-693.25.7.el7.ppc64.rpm
kernel-tools-libs-3.10.0-693.25.7.el7.ppc64.rpm
perf-3.10.0-693.25.7.el7.ppc64.rpm
perf-debuginfo-3.10.0-693.25.7.el7.ppc64.rpm
python-perf-3.10.0-693.25.7.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-693.25.7.el7.ppc64.rpm

ppc64le:
kernel-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-debug-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-devel-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-headers-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-tools-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-693.25.7.el7.ppc64le.rpm
perf-3.10.0-693.25.7.el7.ppc64le.rpm
perf-debuginfo-3.10.0-693.25.7.el7.ppc64le.rpm
python-perf-3.10.0-693.25.7.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-693.25.7.el7.ppc64le.rpm

s390x:
kernel-3.10.0-693.25.7.el7.s390x.rpm
kernel-debug-3.10.0-693.25.7.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-693.25.7.el7.s390x.rpm
kernel-debug-devel-3.10.0-693.25.7.el7.s390x.rpm
kernel-debuginfo-3.10.0-693.25.7.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-693.25.7.el7.s390x.rpm
kernel-devel-3.10.0-693.25.7.el7.s390x.rpm
kernel-headers-3.10.0-693.25.7.el7.s390x.rpm
kernel-kdump-3.10.0-693.25.7.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-693.25.7.el7.s390x.rpm
kernel-kdump-devel-3.10.0-693.25.7.el7.s390x.rpm
perf-3.10.0-693.25.7.el7.s390x.rpm
perf-debuginfo-3.10.0-693.25.7.el7.s390x.rpm
python-perf-3.10.0-693.25.7.el7.s390x.rpm
python-perf-debuginfo-3.10.0-693.25.7.el7.s390x.rpm

x86_64:
kernel-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debug-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debug-devel-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.25.7.el7.x86_64.rpm
kernel-devel-3.10.0-693.25.7.el7.x86_64.rpm
kernel-headers-3.10.0-693.25.7.el7.x86_64.rpm
kernel-tools-3.10.0-693.25.7.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
kernel-tools-libs-3.10.0-693.25.7.el7.x86_64.rpm
perf-3.10.0-693.25.7.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
python-perf-3.10.0-693.25.7.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.4):

noarch:
kernel-doc-3.10.0-693.25.7.el7.noarch.rpm

ppc64:
kernel-debug-debuginfo-3.10.0-693.25.7.el7.ppc64.rpm
kernel-debuginfo-3.10.0-693.25.7.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-693.25.7.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-693.25.7.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-693.25.7.el7.ppc64.rpm
perf-debuginfo-3.10.0-693.25.7.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-693.25.7.el7.ppc64.rpm

ppc64le:
kernel-debug-debuginfo-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-693.25.7.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-693.25.7.el7.ppc64le.rpm
perf-debuginfo-3.10.0-693.25.7.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-693.25.7.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-693.25.7.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-693.25.7.el7.x86_64.rpm
perf-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-693.25.7.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-3639
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/ssbd

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: kernel security update
Advisory ID:       RHSA-2018:1636-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1636
Issue date:        2018-05-22
CVE Names:         CVE-2018-3639 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.3
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.3) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.3) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.3) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.3) - ppc64, ppc64le, x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* An industry-wide issue was found in the way many modern microprocessor
designs have implemented speculative execution of Load & Store instructions
(a commonly used performance optimization). It relies on the presence of a
precisely-defined instruction sequence in the privileged code as well as
the fact that memory read from address to which a recent memory write has
occurred may see an older value and subsequently cause an update into the
microprocessor's data cache even for speculatively executed instructions
that never actually commit (retire). As a result, an unprivileged attacker
could use this flaw to read privileged memory by conducting targeted cache
side-channel attacks. (CVE-2018-3639)

Note: This issue is present in hardware and cannot be fully fixed via
software update. The updated kernel packages provide software side of the
mitigation for this hardware issue. To be fully functional, up-to-date CPU
microcode applied on the system is required. Please refer to References
section for further information about this issue, CPU microcode
requirements and the potential performance impact.

In this update mitigations for x86-64 architecture are provided.

Red Hat would like to thank Ken Johnson (Microsoft Security Response
Center) and Jann Horn (Google Project Zero) for reporting this issue.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1566890 - CVE-2018-3639 hw: cpu: speculative store bypass

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.3):

Source:
kernel-3.10.0-514.48.5.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-514.48.5.el7.noarch.rpm
kernel-doc-3.10.0-514.48.5.el7.noarch.rpm

x86_64:
kernel-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debug-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debug-devel-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-514.48.5.el7.x86_64.rpm
kernel-devel-3.10.0-514.48.5.el7.x86_64.rpm
kernel-headers-3.10.0-514.48.5.el7.x86_64.rpm
kernel-tools-3.10.0-514.48.5.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
kernel-tools-libs-3.10.0-514.48.5.el7.x86_64.rpm
perf-3.10.0-514.48.5.el7.x86_64.rpm
perf-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
python-perf-3.10.0-514.48.5.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.3):

x86_64:
kernel-debug-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-514.48.5.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-514.48.5.el7.x86_64.rpm
perf-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.3):

Source:
kernel-3.10.0-514.48.5.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-514.48.5.el7.noarch.rpm
kernel-doc-3.10.0-514.48.5.el7.noarch.rpm

ppc64:
kernel-3.10.0-514.48.5.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-514.48.5.el7.ppc64.rpm
kernel-debug-3.10.0-514.48.5.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-514.48.5.el7.ppc64.rpm
kernel-debug-devel-3.10.0-514.48.5.el7.ppc64.rpm
kernel-debuginfo-3.10.0-514.48.5.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-514.48.5.el7.ppc64.rpm
kernel-devel-3.10.0-514.48.5.el7.ppc64.rpm
kernel-headers-3.10.0-514.48.5.el7.ppc64.rpm
kernel-tools-3.10.0-514.48.5.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-514.48.5.el7.ppc64.rpm
kernel-tools-libs-3.10.0-514.48.5.el7.ppc64.rpm
perf-3.10.0-514.48.5.el7.ppc64.rpm
perf-debuginfo-3.10.0-514.48.5.el7.ppc64.rpm
python-perf-3.10.0-514.48.5.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-514.48.5.el7.ppc64.rpm

ppc64le:
kernel-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-debug-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-devel-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-headers-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-tools-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-514.48.5.el7.ppc64le.rpm
perf-3.10.0-514.48.5.el7.ppc64le.rpm
perf-debuginfo-3.10.0-514.48.5.el7.ppc64le.rpm
python-perf-3.10.0-514.48.5.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-514.48.5.el7.ppc64le.rpm

s390x:
kernel-3.10.0-514.48.5.el7.s390x.rpm
kernel-debug-3.10.0-514.48.5.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-514.48.5.el7.s390x.rpm
kernel-debug-devel-3.10.0-514.48.5.el7.s390x.rpm
kernel-debuginfo-3.10.0-514.48.5.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-514.48.5.el7.s390x.rpm
kernel-devel-3.10.0-514.48.5.el7.s390x.rpm
kernel-headers-3.10.0-514.48.5.el7.s390x.rpm
kernel-kdump-3.10.0-514.48.5.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-514.48.5.el7.s390x.rpm
kernel-kdump-devel-3.10.0-514.48.5.el7.s390x.rpm
perf-3.10.0-514.48.5.el7.s390x.rpm
perf-debuginfo-3.10.0-514.48.5.el7.s390x.rpm
python-perf-3.10.0-514.48.5.el7.s390x.rpm
python-perf-debuginfo-3.10.0-514.48.5.el7.s390x.rpm

x86_64:
kernel-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debug-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debug-devel-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-514.48.5.el7.x86_64.rpm
kernel-devel-3.10.0-514.48.5.el7.x86_64.rpm
kernel-headers-3.10.0-514.48.5.el7.x86_64.rpm
kernel-tools-3.10.0-514.48.5.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
kernel-tools-libs-3.10.0-514.48.5.el7.x86_64.rpm
perf-3.10.0-514.48.5.el7.x86_64.rpm
perf-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
python-perf-3.10.0-514.48.5.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.3):

ppc64:
kernel-debug-debuginfo-3.10.0-514.48.5.el7.ppc64.rpm
kernel-debuginfo-3.10.0-514.48.5.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-514.48.5.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-514.48.5.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-514.48.5.el7.ppc64.rpm
perf-debuginfo-3.10.0-514.48.5.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-514.48.5.el7.ppc64.rpm

ppc64le:
kernel-debug-debuginfo-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-514.48.5.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-514.48.5.el7.ppc64le.rpm
perf-debuginfo-3.10.0-514.48.5.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-514.48.5.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-514.48.5.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-514.48.5.el7.x86_64.rpm
perf-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-514.48.5.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-3639
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/ssbd

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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Hash: SHA256

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: kernel-rt security update
Advisory ID:       RHSA-2018:1642-01
Product:           Red Hat Enterprise MRG for RHEL-6
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1642
Issue date:        2018-05-21
CVE Names:         CVE-2018-3639 
=====================================================================

1. Summary:

An update for kernel-rt is now available for Red Hat Enterprise MRG 2.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat MRG Realtime for RHEL 6 Server v.2 - noarch, x86_64

3. Description:

The kernel-rt packages provide the Real Time Linux Kernel, which enables
fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* An industry-wide issue was found in the way many modern microprocessor
designs have implemented speculative execution of Load & Store instructions
(a commonly used performance optimization). It relies on the presence of a
precisely-defined instruction sequence in the privileged code as well as
the fact that memory read from address to which a recent memory write has
occurred may see an older value and subsequently cause an update into the
microprocessor's data cache even for speculatively executed instructions
that never actually commit (retire). As a result, an unprivileged attacker
could use this flaw to read privileged memory by conducting targeted cache
side-channel attacks. (CVE-2018-3639)

Note: This issue is present in hardware and cannot be fully fixed via
software update. The updated kernel packages provide software side of the
mitigation for this hardware issue. To be fully functional, up-to-date CPU
microcode applied on the system is required. Please refer to References
section for further information about this issue, CPU microcode
requirements and the potential performance impact.

Red Hat would like to thank Ken Johnson (Microsoft Security Response
Center) and Jann Horn (Google Project Zero) for reporting this issue.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1566890 - CVE-2018-3639 hw: cpu: speculative store bypass

6. Package List:

Red Hat MRG Realtime for RHEL 6 Server v.2:

Source:
kernel-rt-3.10.0-693.25.7.rt56.615.el6rt.src.rpm

noarch:
kernel-rt-doc-3.10.0-693.25.7.rt56.615.el6rt.noarch.rpm
kernel-rt-firmware-3.10.0-693.25.7.rt56.615.el6rt.noarch.rpm

x86_64:
kernel-rt-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm
kernel-rt-debug-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm
kernel-rt-debug-debuginfo-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm
kernel-rt-debug-devel-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm
kernel-rt-debuginfo-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm
kernel-rt-devel-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm
kernel-rt-trace-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm
kernel-rt-trace-debuginfo-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm
kernel-rt-trace-devel-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm
kernel-rt-vanilla-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm
kernel-rt-vanilla-debuginfo-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm
kernel-rt-vanilla-devel-3.10.0-693.25.7.rt56.615.el6rt.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-3639
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/ssbd

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2018:1651-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1651
Issue date:        2018-05-21
CVE Names:         CVE-2018-3639 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - noarch, x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* An industry-wide issue was found in the way many modern microprocessor
designs have implemented speculative execution of Load & Store instructions
(a commonly used performance optimization). It relies on the presence of a
precisely-defined instruction sequence in the privileged code as well as
the fact that memory read from address to which a recent memory write has
occurred may see an older value and subsequently cause an update into the
microprocessor's data cache even for speculatively executed instructions
that never actually commit (retire). As a result, an unprivileged attacker
could use this flaw to read privileged memory by conducting targeted cache
side-channel attacks. (CVE-2018-3639)

Note: This issue is present in hardware and cannot be fully fixed via
software update. The updated kernel packages provide software side of the
mitigation for this hardware issue. To be fully functional, up-to-date CPU
microcode applied on the system is required. Please refer to References
section for further information about this issue, CPU microcode
requirements and the potential performance impact.

In this update mitigations for x86 (both 32 and 64 bit) architecture are
provided.

Red Hat would like to thank Ken Johnson (Microsoft Security Response
Center) and Jann Horn (Google Project Zero) for reporting this issue.

Bug Fix(es):

* Previously, an erroneous code in the x86 kexec system call path caused a
memory corruption. As a consequence, the system became unresponsive with
the following kernel stack trace:

'WARNING: CPU: 13 PID: 36409 at lib/list_debug.c:59
__list_del_entry+0xa1/0xd0 list_del corruption. prev->next should be
ffffdd03fddeeca0, but was (null)'

This update ensures that the code does not corrupt memory. As a result, the
operating system no longer hangs. (BZ#1573176)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1566890 - CVE-2018-3639 hw: cpu: speculative store bypass

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
kernel-2.6.32-696.30.1.el6.src.rpm

i386:
kernel-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-696.30.1.el6.i686.rpm
kernel-devel-2.6.32-696.30.1.el6.i686.rpm
kernel-headers-2.6.32-696.30.1.el6.i686.rpm
perf-2.6.32-696.30.1.el6.i686.rpm
perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-696.30.1.el6.noarch.rpm
kernel-doc-2.6.32-696.30.1.el6.noarch.rpm
kernel-firmware-2.6.32-696.30.1.el6.noarch.rpm

x86_64:
kernel-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debug-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.30.1.el6.x86_64.rpm
kernel-devel-2.6.32-696.30.1.el6.x86_64.rpm
kernel-headers-2.6.32-696.30.1.el6.x86_64.rpm
perf-2.6.32-696.30.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

i386:
kernel-debug-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-696.30.1.el6.i686.rpm
perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
python-perf-2.6.32-696.30.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.30.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
python-perf-2.6.32-696.30.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
kernel-2.6.32-696.30.1.el6.src.rpm

noarch:
kernel-abi-whitelists-2.6.32-696.30.1.el6.noarch.rpm
kernel-doc-2.6.32-696.30.1.el6.noarch.rpm
kernel-firmware-2.6.32-696.30.1.el6.noarch.rpm

x86_64:
kernel-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debug-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.30.1.el6.x86_64.rpm
kernel-devel-2.6.32-696.30.1.el6.x86_64.rpm
kernel-headers-2.6.32-696.30.1.el6.x86_64.rpm
perf-2.6.32-696.30.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

x86_64:
kernel-debug-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.30.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
python-perf-2.6.32-696.30.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
kernel-2.6.32-696.30.1.el6.src.rpm

i386:
kernel-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-696.30.1.el6.i686.rpm
kernel-devel-2.6.32-696.30.1.el6.i686.rpm
kernel-headers-2.6.32-696.30.1.el6.i686.rpm
perf-2.6.32-696.30.1.el6.i686.rpm
perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-696.30.1.el6.noarch.rpm
kernel-doc-2.6.32-696.30.1.el6.noarch.rpm
kernel-firmware-2.6.32-696.30.1.el6.noarch.rpm

ppc64:
kernel-2.6.32-696.30.1.el6.ppc64.rpm
kernel-bootwrapper-2.6.32-696.30.1.el6.ppc64.rpm
kernel-debug-2.6.32-696.30.1.el6.ppc64.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.ppc64.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.ppc64.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-696.30.1.el6.ppc64.rpm
kernel-devel-2.6.32-696.30.1.el6.ppc64.rpm
kernel-headers-2.6.32-696.30.1.el6.ppc64.rpm
perf-2.6.32-696.30.1.el6.ppc64.rpm
perf-debuginfo-2.6.32-696.30.1.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.ppc64.rpm

s390x:
kernel-2.6.32-696.30.1.el6.s390x.rpm
kernel-debug-2.6.32-696.30.1.el6.s390x.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.s390x.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.s390x.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-696.30.1.el6.s390x.rpm
kernel-devel-2.6.32-696.30.1.el6.s390x.rpm
kernel-headers-2.6.32-696.30.1.el6.s390x.rpm
kernel-kdump-2.6.32-696.30.1.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-696.30.1.el6.s390x.rpm
kernel-kdump-devel-2.6.32-696.30.1.el6.s390x.rpm
perf-2.6.32-696.30.1.el6.s390x.rpm
perf-debuginfo-2.6.32-696.30.1.el6.s390x.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.s390x.rpm

x86_64:
kernel-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debug-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.30.1.el6.x86_64.rpm
kernel-devel-2.6.32-696.30.1.el6.x86_64.rpm
kernel-headers-2.6.32-696.30.1.el6.x86_64.rpm
perf-2.6.32-696.30.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

i386:
kernel-debug-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-696.30.1.el6.i686.rpm
perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
python-perf-2.6.32-696.30.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm

ppc64:
kernel-debug-debuginfo-2.6.32-696.30.1.el6.ppc64.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-696.30.1.el6.ppc64.rpm
perf-debuginfo-2.6.32-696.30.1.el6.ppc64.rpm
python-perf-2.6.32-696.30.1.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.ppc64.rpm

s390x:
kernel-debug-debuginfo-2.6.32-696.30.1.el6.s390x.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-696.30.1.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-696.30.1.el6.s390x.rpm
perf-debuginfo-2.6.32-696.30.1.el6.s390x.rpm
python-perf-2.6.32-696.30.1.el6.s390x.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.s390x.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.30.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
python-perf-2.6.32-696.30.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
kernel-2.6.32-696.30.1.el6.src.rpm

i386:
kernel-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-696.30.1.el6.i686.rpm
kernel-devel-2.6.32-696.30.1.el6.i686.rpm
kernel-headers-2.6.32-696.30.1.el6.i686.rpm
perf-2.6.32-696.30.1.el6.i686.rpm
perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-696.30.1.el6.noarch.rpm
kernel-doc-2.6.32-696.30.1.el6.noarch.rpm
kernel-firmware-2.6.32-696.30.1.el6.noarch.rpm

x86_64:
kernel-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debug-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.i686.rpm
kernel-debug-devel-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.30.1.el6.x86_64.rpm
kernel-devel-2.6.32-696.30.1.el6.x86_64.rpm
kernel-headers-2.6.32-696.30.1.el6.x86_64.rpm
perf-2.6.32-696.30.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

i386:
kernel-debug-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-696.30.1.el6.i686.rpm
perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm
python-perf-2.6.32-696.30.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.i686.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-696.30.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm
python-perf-2.6.32-696.30.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-696.30.1.el6.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-3639
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/ssbd

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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