ESB-2018.1408 - [RedHat] kernel: Multiple vulnerabilities 2018-05-09

Printable version
PGP/GPG verifiable version

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

                               ESB-2018.1408
                     Moderate: kernel security update
                                9 May 2018

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

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

Product:           kernel
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 6
                   Red Hat Enterprise Linux Server 5
Impact/Access:     Access Privileged Data -- Existing Account
                   Denial of Service      -- Existing Account
                   Reduced Security       -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-8897 CVE-2017-5754 CVE-2017-5715

Reference:         ESB-2018.1407

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2018:1346
   https://access.redhat.com/errata/RHSA-2018:1349
   https://access.redhat.com/errata/RHSA-2018:1350
   https://access.redhat.com/errata/RHSA-2018:1351
   https://access.redhat.com/errata/RHSA-2018:1352
   https://access.redhat.com/errata/RHSA-2018:1353

Comment: This bulletin contains six (6) Red Hat security advisories.

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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2018:1346-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1346
Issue date:        2018-05-08
CVE Names:         CVE-2018-8897 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 6.7
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 HPC Node EUS (v. 6.7) - noarch, x86_64
Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7) - x86_64
Red Hat Enterprise Linux Server EUS (v. 6.7) - i386, noarch, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 6.7) - i386, ppc64, s390x, x86_64

3. Description:

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

Security Fix(es):

* hw: cpu: speculative execution permission faults handling (CVE-2017-5754)

* Kernel: error in exception handling leads to DoS (CVE-2018-8897)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Google Project Zero for reporting CVE-2017-5754
and Nick Peterson (Everdox Tech LLC) and Andy Lutomirski for reporting
CVE-2018-8897.

Bug Fix(es):

* The kernel build requirements have been updated to the GNU Compiler
Collection (GCC) compiler version that has the support for Retpolines. The
Retpolines mechanism is a software construct that leverages specific
knowledge of the underlying hardware to mitigate the branch target
injection, also known as Spectre variant 2 vulnerability described in
CVE-2017-5715. (BZ#1554253)

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/):

1519781 - CVE-2017-5754 hw: cpu: speculative execution permission faults handling
1567074 - CVE-2018-8897 Kernel: error in exception handling leads to DoS

6. Package List:

Red Hat Enterprise Linux HPC Node EUS (v. 6.7):

Source:
kernel-2.6.32-573.55.2.el6.src.rpm

noarch:
kernel-abi-whitelists-2.6.32-573.55.2.el6.noarch.rpm
kernel-doc-2.6.32-573.55.2.el6.noarch.rpm
kernel-firmware-2.6.32-573.55.2.el6.noarch.rpm

x86_64:
kernel-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debug-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-573.55.2.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debug-devel-2.6.32-573.55.2.el6.i686.rpm
kernel-debug-devel-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-573.55.2.el6.i686.rpm
kernel-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-573.55.2.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-573.55.2.el6.x86_64.rpm
kernel-devel-2.6.32-573.55.2.el6.x86_64.rpm
kernel-headers-2.6.32-573.55.2.el6.x86_64.rpm
perf-2.6.32-573.55.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-573.55.2.el6.i686.rpm
perf-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-573.55.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7):

x86_64:
kernel-debug-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-573.55.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm
python-perf-2.6.32-573.55.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 6.7):

Source:
kernel-2.6.32-573.55.2.el6.src.rpm

i386:
kernel-2.6.32-573.55.2.el6.i686.rpm
kernel-debug-2.6.32-573.55.2.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-573.55.2.el6.i686.rpm
kernel-debug-devel-2.6.32-573.55.2.el6.i686.rpm
kernel-debuginfo-2.6.32-573.55.2.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-573.55.2.el6.i686.rpm
kernel-devel-2.6.32-573.55.2.el6.i686.rpm
kernel-headers-2.6.32-573.55.2.el6.i686.rpm
perf-2.6.32-573.55.2.el6.i686.rpm
perf-debuginfo-2.6.32-573.55.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-573.55.2.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-573.55.2.el6.noarch.rpm
kernel-doc-2.6.32-573.55.2.el6.noarch.rpm
kernel-firmware-2.6.32-573.55.2.el6.noarch.rpm

ppc64:
kernel-2.6.32-573.55.2.el6.ppc64.rpm
kernel-bootwrapper-2.6.32-573.55.2.el6.ppc64.rpm
kernel-debug-2.6.32-573.55.2.el6.ppc64.rpm
kernel-debug-debuginfo-2.6.32-573.55.2.el6.ppc64.rpm
kernel-debug-devel-2.6.32-573.55.2.el6.ppc64.rpm
kernel-debuginfo-2.6.32-573.55.2.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-573.55.2.el6.ppc64.rpm
kernel-devel-2.6.32-573.55.2.el6.ppc64.rpm
kernel-headers-2.6.32-573.55.2.el6.ppc64.rpm
perf-2.6.32-573.55.2.el6.ppc64.rpm
perf-debuginfo-2.6.32-573.55.2.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-573.55.2.el6.ppc64.rpm

s390x:
kernel-2.6.32-573.55.2.el6.s390x.rpm
kernel-debug-2.6.32-573.55.2.el6.s390x.rpm
kernel-debug-debuginfo-2.6.32-573.55.2.el6.s390x.rpm
kernel-debug-devel-2.6.32-573.55.2.el6.s390x.rpm
kernel-debuginfo-2.6.32-573.55.2.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-573.55.2.el6.s390x.rpm
kernel-devel-2.6.32-573.55.2.el6.s390x.rpm
kernel-headers-2.6.32-573.55.2.el6.s390x.rpm
kernel-kdump-2.6.32-573.55.2.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-573.55.2.el6.s390x.rpm
kernel-kdump-devel-2.6.32-573.55.2.el6.s390x.rpm
perf-2.6.32-573.55.2.el6.s390x.rpm
perf-debuginfo-2.6.32-573.55.2.el6.s390x.rpm
python-perf-debuginfo-2.6.32-573.55.2.el6.s390x.rpm

x86_64:
kernel-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debug-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-573.55.2.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debug-devel-2.6.32-573.55.2.el6.i686.rpm
kernel-debug-devel-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-573.55.2.el6.i686.rpm
kernel-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-573.55.2.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-573.55.2.el6.x86_64.rpm
kernel-devel-2.6.32-573.55.2.el6.x86_64.rpm
kernel-headers-2.6.32-573.55.2.el6.x86_64.rpm
perf-2.6.32-573.55.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-573.55.2.el6.i686.rpm
perf-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-573.55.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 6.7):

i386:
kernel-debug-debuginfo-2.6.32-573.55.2.el6.i686.rpm
kernel-debuginfo-2.6.32-573.55.2.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-573.55.2.el6.i686.rpm
perf-debuginfo-2.6.32-573.55.2.el6.i686.rpm
python-perf-2.6.32-573.55.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-573.55.2.el6.i686.rpm

ppc64:
kernel-debug-debuginfo-2.6.32-573.55.2.el6.ppc64.rpm
kernel-debuginfo-2.6.32-573.55.2.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-573.55.2.el6.ppc64.rpm
perf-debuginfo-2.6.32-573.55.2.el6.ppc64.rpm
python-perf-2.6.32-573.55.2.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-573.55.2.el6.ppc64.rpm

s390x:
kernel-debug-debuginfo-2.6.32-573.55.2.el6.s390x.rpm
kernel-debuginfo-2.6.32-573.55.2.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-573.55.2.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-573.55.2.el6.s390x.rpm
perf-debuginfo-2.6.32-573.55.2.el6.s390x.rpm
python-perf-2.6.32-573.55.2.el6.s390x.rpm
python-perf-debuginfo-2.6.32-573.55.2.el6.s390x.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-573.55.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-573.55.2.el6.x86_64.rpm
python-perf-2.6.32-573.55.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-573.55.2.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-2018-8897
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/cve/CVE-2017-5754

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 and bug fix update
Advisory ID:       RHSA-2018:1349-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1349
Issue date:        2018-05-08
CVE Names:         CVE-2018-8897 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 6.4
Advanced 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 Server AUS (v. 6.4) - noarch, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 6.4) - x86_64

3. Description:

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

Security Fix(es):

* hw: cpu: speculative execution permission faults handling (CVE-2017-5754)

* Kernel: error in exception handling leads to DoS (CVE-2018-8897)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Google Project Zero for reporting CVE-2017-5754
and Nick Peterson (Everdox Tech LLC) and Andy Lutomirski for reporting
CVE-2018-8897.

Bug Fix(es):

* The kernel build requirements have been updated to the GNU Compiler
Collection (GCC) compiler version that has the support for Retpolines. The
Retpolines mechanism is a software construct that leverages specific
knowledge of the underlying hardware to mitigate the branch target
injection, also known as Spectre variant 2 vulnerability described in
CVE-2017-5715. (BZ#1554251)

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/):

1519781 - CVE-2017-5754 hw: cpu: speculative execution permission faults handling
1567074 - CVE-2018-8897 Kernel: error in exception handling leads to DoS

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 6.4):

Source:
kernel-2.6.32-358.88.2.el6.src.rpm

noarch:
kernel-doc-2.6.32-358.88.2.el6.noarch.rpm
kernel-firmware-2.6.32-358.88.2.el6.noarch.rpm

x86_64:
kernel-2.6.32-358.88.2.el6.x86_64.rpm
kernel-debug-2.6.32-358.88.2.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-358.88.2.el6.x86_64.rpm
kernel-debug-devel-2.6.32-358.88.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-358.88.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-358.88.2.el6.x86_64.rpm
kernel-devel-2.6.32-358.88.2.el6.x86_64.rpm
kernel-headers-2.6.32-358.88.2.el6.x86_64.rpm
perf-2.6.32-358.88.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-358.88.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-358.88.2.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 6.4):

Source:
kernel-2.6.32-358.88.2.el6.src.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-358.88.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-358.88.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-358.88.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-358.88.2.el6.x86_64.rpm
python-perf-2.6.32-358.88.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-358.88.2.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-2018-8897
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/speculativeexecution
https://access.redhat.com/security/cve/CVE-2017-5754

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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- --------------------------------------------------------------------------------

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Hash: SHA1

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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2018:1350-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1350
Issue date:        2018-05-08
CVE Names:         CVE-2018-8897 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 6.5
Advanced 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 Server AUS (v. 6.5) - noarch, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 6.5) - x86_64

3. Description:

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

Security Fix(es):

* hw: cpu: speculative execution permission faults handling (CVE-2017-5754)

* Kernel: error in exception handling leads to DoS (CVE-2018-8897)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Google Project Zero for reporting CVE-2017-5754
and Nick Peterson (Everdox Tech LLC) and Andy Lutomirski for reporting
CVE-2018-8897.

Bug Fix(es):

* The kernel build requirements have been updated to the GNU Compiler
Collection (GCC) compiler version that has the support for Retpolines. The
Retpolines mechanism is a software construct that leverages specific
knowledge of the underlying hardware to mitigate the branch target
injection, also known as Spectre variant 2 vulnerability described in
CVE-2017-5715. (BZ#1554256)

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/):

1519781 - CVE-2017-5754 hw: cpu: speculative execution permission faults handling
1567074 - CVE-2018-8897 Kernel: error in exception handling leads to DoS

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 6.5):

Source:
kernel-2.6.32-431.89.2.el6.src.rpm

noarch:
kernel-abi-whitelists-2.6.32-431.89.2.el6.noarch.rpm
kernel-doc-2.6.32-431.89.2.el6.noarch.rpm
kernel-firmware-2.6.32-431.89.2.el6.noarch.rpm

x86_64:
kernel-2.6.32-431.89.2.el6.x86_64.rpm
kernel-debug-2.6.32-431.89.2.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-431.89.2.el6.x86_64.rpm
kernel-debug-devel-2.6.32-431.89.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-431.89.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-431.89.2.el6.x86_64.rpm
kernel-devel-2.6.32-431.89.2.el6.x86_64.rpm
kernel-headers-2.6.32-431.89.2.el6.x86_64.rpm
perf-2.6.32-431.89.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-431.89.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-431.89.2.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 6.5):

Source:
kernel-2.6.32-431.89.2.el6.src.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-431.89.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-431.89.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-431.89.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-431.89.2.el6.x86_64.rpm
python-perf-2.6.32-431.89.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-431.89.2.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-2018-8897
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/pop_ss

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: SHA1

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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2018:1351-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1351
Issue date:        2018-05-08
CVE Names:         CVE-2018-8897 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 6.6
Advanced Update Support and Red Hat Enterprise Linux 6.6 Telco 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 Server AUS (v. 6.6) - noarch, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 6.6) - x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 6.6) - x86_64
Red Hat Enterprise Linux Server TUS (v. 6.6) - noarch, x86_64

3. Description:

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

Security Fix(es):

* hw: cpu: speculative execution permission faults handling (CVE-2017-5754)

* Kernel: error in exception handling leads to DoS (CVE-2018-8897)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Google Project Zero for reporting CVE-2017-5754
and Nick Peterson (Everdox Tech LLC) and Andy Lutomirski for reporting
CVE-2018-8897.

Bug Fix(es):

* If an NFSv3 client mounted a subdirectory of an exported file system, a
directory entry to the mount hosting the export was incorrectly held even
after clearing the cache. Consequently, attempts to unmount the
subdirectory with the umount command failed with the EBUSY error. With this
update, the underlying source code has been fixed, and the unmount
operation now succeeds as expected in the described situation. (BZ#1538588)

* The kernel build requirements have been updated to the GNU Compiler
Collection (GCC) compiler version that has the support for Retpolines. The
Retpolines mechanism is a software construct that leverages specific
knowledge of the underlying hardware to mitigate the branch target
injection, also known as Spectre variant 2 vulnerability described in
CVE-2017-5715. (BZ#1554254)

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/):

1519781 - CVE-2017-5754 hw: cpu: speculative execution permission faults handling
1567074 - CVE-2018-8897 Kernel: error in exception handling leads to DoS

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 6.6):

Source:
kernel-2.6.32-504.68.2.el6.src.rpm

noarch:
kernel-abi-whitelists-2.6.32-504.68.2.el6.noarch.rpm
kernel-doc-2.6.32-504.68.2.el6.noarch.rpm
kernel-firmware-2.6.32-504.68.2.el6.noarch.rpm

x86_64:
kernel-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debug-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debug-devel-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.68.2.el6.x86_64.rpm
kernel-devel-2.6.32-504.68.2.el6.x86_64.rpm
kernel-headers-2.6.32-504.68.2.el6.x86_64.rpm
perf-2.6.32-504.68.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 6.6):

Source:
kernel-2.6.32-504.68.2.el6.src.rpm

noarch:
kernel-abi-whitelists-2.6.32-504.68.2.el6.noarch.rpm
kernel-doc-2.6.32-504.68.2.el6.noarch.rpm
kernel-firmware-2.6.32-504.68.2.el6.noarch.rpm

x86_64:
kernel-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debug-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debug-devel-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.68.2.el6.x86_64.rpm
kernel-devel-2.6.32-504.68.2.el6.x86_64.rpm
kernel-headers-2.6.32-504.68.2.el6.x86_64.rpm
perf-2.6.32-504.68.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 6.6):

x86_64:
kernel-debug-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.68.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm
python-perf-2.6.32-504.68.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional TUS (v. 6.6):

x86_64:
kernel-debug-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-504.68.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-504.68.2.el6.x86_64.rpm
python-perf-2.6.32-504.68.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-504.68.2.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-2018-8897
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/speculativeexecution
https://access.redhat.com/security/vulnerabilities/pop_ss
https://access.redhat.com/security/cve/CVE-2017-5754

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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- -----END PGP SIGNATURE-----

- --------------------------------------------------------------------------------

- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

Synopsis:          Moderate: kernel security update
Advisory ID:       RHSA-2018:1352-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1352
Issue date:        2018-05-08
CVE Names:         CVE-2018-8897 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 5.9 Long
Life.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 Long Life (v. 5.9 server) - i386, ia64, noarch, x86_64

3. Description:

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

Security Fix(es):

* Kernel: error in exception handling leads to DoS (CVE-2018-8897)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Nick Peterson (Everdox Tech LLC) and Andy
Lutomirski 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/):

1567074 - CVE-2018-8897 Kernel: error in exception handling leads to DoS

6. Package List:

Red Hat Enterprise Linux Long Life (v. 5.9 server):

Source:
kernel-2.6.18-348.39.2.el5.src.rpm

i386:
kernel-2.6.18-348.39.2.el5.i686.rpm
kernel-PAE-2.6.18-348.39.2.el5.i686.rpm
kernel-PAE-debuginfo-2.6.18-348.39.2.el5.i686.rpm
kernel-PAE-devel-2.6.18-348.39.2.el5.i686.rpm
kernel-debug-2.6.18-348.39.2.el5.i686.rpm
kernel-debug-debuginfo-2.6.18-348.39.2.el5.i686.rpm
kernel-debug-devel-2.6.18-348.39.2.el5.i686.rpm
kernel-debuginfo-2.6.18-348.39.2.el5.i686.rpm
kernel-debuginfo-common-2.6.18-348.39.2.el5.i686.rpm
kernel-devel-2.6.18-348.39.2.el5.i686.rpm
kernel-headers-2.6.18-348.39.2.el5.i386.rpm
kernel-xen-2.6.18-348.39.2.el5.i686.rpm
kernel-xen-debuginfo-2.6.18-348.39.2.el5.i686.rpm
kernel-xen-devel-2.6.18-348.39.2.el5.i686.rpm

ia64:
kernel-2.6.18-348.39.2.el5.ia64.rpm
kernel-debug-2.6.18-348.39.2.el5.ia64.rpm
kernel-debug-debuginfo-2.6.18-348.39.2.el5.ia64.rpm
kernel-debug-devel-2.6.18-348.39.2.el5.ia64.rpm
kernel-debuginfo-2.6.18-348.39.2.el5.ia64.rpm
kernel-debuginfo-common-2.6.18-348.39.2.el5.ia64.rpm
kernel-devel-2.6.18-348.39.2.el5.ia64.rpm
kernel-headers-2.6.18-348.39.2.el5.ia64.rpm
kernel-xen-2.6.18-348.39.2.el5.ia64.rpm
kernel-xen-debuginfo-2.6.18-348.39.2.el5.ia64.rpm
kernel-xen-devel-2.6.18-348.39.2.el5.ia64.rpm

noarch:
kernel-doc-2.6.18-348.39.2.el5.noarch.rpm

x86_64:
kernel-2.6.18-348.39.2.el5.x86_64.rpm
kernel-debug-2.6.18-348.39.2.el5.x86_64.rpm
kernel-debug-debuginfo-2.6.18-348.39.2.el5.x86_64.rpm
kernel-debug-devel-2.6.18-348.39.2.el5.x86_64.rpm
kernel-debuginfo-2.6.18-348.39.2.el5.x86_64.rpm
kernel-debuginfo-common-2.6.18-348.39.2.el5.x86_64.rpm
kernel-devel-2.6.18-348.39.2.el5.x86_64.rpm
kernel-headers-2.6.18-348.39.2.el5.x86_64.rpm
kernel-xen-2.6.18-348.39.2.el5.x86_64.rpm
kernel-xen-debuginfo-2.6.18-348.39.2.el5.x86_64.rpm
kernel-xen-devel-2.6.18-348.39.2.el5.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-2018-8897
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/security/vulnerabilities/pop_ss

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.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

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- -----END PGP SIGNATURE-----

- --------------------------------------------------------------------------------

- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

Synopsis:          Moderate: kernel security update
Advisory ID:       RHSA-2018:1353-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1353
Issue date:        2018-05-08
CVE Names:         CVE-2018-8897 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 5
Extended Lifecycle Support.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 Server (v. 5 ELS) - i386, noarch, s390x, x86_64

3. Description:

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

Security Fix(es):

* Kernel: error in exception handling leads to DoS (CVE-2018-8897)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Nick Peterson (Everdox Tech LLC) and Andy
Lutomirski 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/):

1567074 - CVE-2018-8897 Kernel: error in exception handling leads to DoS

6. Package List:

Red Hat Enterprise Linux Server (v. 5 ELS):

Source:
kernel-2.6.18-431.el5.src.rpm

i386:
kernel-2.6.18-431.el5.i686.rpm
kernel-PAE-2.6.18-431.el5.i686.rpm
kernel-PAE-debuginfo-2.6.18-431.el5.i686.rpm
kernel-PAE-devel-2.6.18-431.el5.i686.rpm
kernel-debug-2.6.18-431.el5.i686.rpm
kernel-debug-debuginfo-2.6.18-431.el5.i686.rpm
kernel-debug-devel-2.6.18-431.el5.i686.rpm
kernel-debuginfo-2.6.18-431.el5.i686.rpm
kernel-debuginfo-common-2.6.18-431.el5.i686.rpm
kernel-devel-2.6.18-431.el5.i686.rpm
kernel-headers-2.6.18-431.el5.i386.rpm
kernel-xen-2.6.18-431.el5.i686.rpm
kernel-xen-debuginfo-2.6.18-431.el5.i686.rpm
kernel-xen-devel-2.6.18-431.el5.i686.rpm

noarch:
kernel-doc-2.6.18-431.el5.noarch.rpm

s390x:
kernel-2.6.18-431.el5.s390x.rpm
kernel-debug-2.6.18-431.el5.s390x.rpm
kernel-debug-debuginfo-2.6.18-431.el5.s390x.rpm
kernel-debug-devel-2.6.18-431.el5.s390x.rpm
kernel-debuginfo-2.6.18-431.el5.s390x.rpm
kernel-debuginfo-common-2.6.18-431.el5.s390x.rpm
kernel-devel-2.6.18-431.el5.s390x.rpm
kernel-headers-2.6.18-431.el5.s390x.rpm
kernel-kdump-2.6.18-431.el5.s390x.rpm
kernel-kdump-debuginfo-2.6.18-431.el5.s390x.rpm
kernel-kdump-devel-2.6.18-431.el5.s390x.rpm

x86_64:
kernel-2.6.18-431.el5.x86_64.rpm
kernel-debug-2.6.18-431.el5.x86_64.rpm
kernel-debug-debuginfo-2.6.18-431.el5.x86_64.rpm
kernel-debug-devel-2.6.18-431.el5.x86_64.rpm
kernel-debuginfo-2.6.18-431.el5.x86_64.rpm
kernel-debuginfo-common-2.6.18-431.el5.x86_64.rpm
kernel-devel-2.6.18-431.el5.x86_64.rpm
kernel-headers-2.6.18-431.el5.x86_64.rpm
kernel-xen-2.6.18-431.el5.x86_64.rpm
kernel-xen-debuginfo-2.6.18-431.el5.x86_64.rpm
kernel-xen-devel-2.6.18-431.el5.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-2018-8897
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/security/vulnerabilities/pop_ss

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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- --------------------------END INCLUDED TEXT--------------------

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