ESB-2018.0059 - [RedHat] qemu-kvm: Access privileged data - Existing account 2018-01-05

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PGP/GPG verifiable version

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

                               ESB-2018.0059
                    Important: qemu-kvm security update
                              5 January 2018

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

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

Product:           qemu-kvm
Publisher:         Red Hat
Operating System:  Red Hat
Impact/Access:     Access Privileged Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-5715  

Reference:         ASB-2018.0002.3
                   ESB-2018.0054
                   ESB-2018.0053
                   ESB-2018.0044
                   ESB-2018.0042

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2018:0023
   https://access.redhat.com/errata/RHSA-2018:0024
   https://access.redhat.com/errata/RHSA-2018:0025
   https://access.redhat.com/errata/RHSA-2018:0026
   https://access.redhat.com/errata/RHSA-2018:0027
   https://access.redhat.com/errata/RHSA-2018:0028

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

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

Synopsis:          Important: qemu-kvm security update
Advisory ID:       RHSA-2018:0023-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:0023
Issue date:        2018-01-04
=====================================================================

1. Summary:

An update for qemu-kvm 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) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

Kernel-based Virtual Machine (KVM) is a full virtualization solution for
Linux on a variety of architectures. The qemu-kvm package provides the
user-space component for running virtual machines that use KVM.

Security Fix(es):

* An industry-wide issue was found in the way many modern microprocessor
designs have implemented speculative execution of instructions (a commonly
used performance optimization). There are three primary variants of the
issue which differ in the way the speculative execution can be exploited.
Variant CVE-2017-5715 triggers the speculative execution by utilizing
branch target injection. It relies on the presence of a precisely-defined
instruction sequence in the privileged code as well as the fact that memory
accesses may cause allocation 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 cross the syscall
and guest/host boundaries and read privileged memory by conducting targeted
cache side-channel attacks. (CVE-2017-5715)

Note: This is the qemu-kvm side of the CVE-2017-5715 mitigation.

Red Hat would like to thank 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

After installing this update, shut down all running virtual machines. Once
all virtual machines have shut down, start them again for this update to
take effect.

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

1519780 - CVE-2017-5715 hw: cpu: speculative execution branch target injection

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
qemu-kvm-1.5.3-141.el7_4.6.src.rpm

x86_64:
qemu-img-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-common-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-tools-1.5.3-141.el7_4.6.x86_64.rpm

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

Source:
qemu-kvm-1.5.3-141.el7_4.6.src.rpm

x86_64:
qemu-img-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-common-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-tools-1.5.3-141.el7_4.6.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
qemu-kvm-1.5.3-141.el7_4.6.src.rpm

ppc64:
qemu-img-1.5.3-141.el7_4.6.ppc64.rpm
qemu-kvm-debuginfo-1.5.3-141.el7_4.6.ppc64.rpm

ppc64le:
qemu-img-1.5.3-141.el7_4.6.ppc64le.rpm
qemu-kvm-debuginfo-1.5.3-141.el7_4.6.ppc64le.rpm

x86_64:
qemu-img-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-common-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-tools-1.5.3-141.el7_4.6.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
qemu-kvm-1.5.3-141.el7_4.6.src.rpm

x86_64:
qemu-img-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-common-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-141.el7_4.6.x86_64.rpm
qemu-kvm-tools-1.5.3-141.el7_4.6.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/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/speculativeexecution
https://access.redhat.com/security/cve/CVE-2017-5715

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: qemu-kvm security update
Advisory ID:       RHSA-2018:0024-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:0024
Issue date:        2018-01-04
=====================================================================

1. Summary:

An update for qemu-kvm 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, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

3. Description:

Kernel-based Virtual Machine (KVM) is a full virtualization solution for
Linux on a variety of architectures. The qemu-kvm package provides the
user-space component for running virtual machines that use KVM.

Security Fix(es):

* An industry-wide issue was found in the way many modern microprocessor
designs have implemented speculative execution of instructions (a commonly
used performance optimization). There are three primary variants of the
issue which differ in the way the speculative execution can be exploited.
Variant CVE-2017-5715 triggers the speculative execution by utilizing
branch target injection. It relies on the presence of a precisely-defined
instruction sequence in the privileged code as well as the fact that memory
accesses may cause allocation 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 cross the syscall
and guest/host boundaries and read privileged memory by conducting targeted
cache side-channel attacks. (CVE-2017-5715)

Note: This is the qemu-kvm side of the CVE-2017-5715 mitigation.

Red Hat would like to thank 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

After installing this update, shut down all running virtual machines. Once
all virtual machines have shut down, start them again for this update to
take effect.

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

1519780 - CVE-2017-5715 hw: cpu: speculative execution branch target injection

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
qemu-kvm-0.12.1.2-2.503.el6_9.4.src.rpm

i386:
qemu-guest-agent-0.12.1.2-2.503.el6_9.4.i686.rpm
qemu-kvm-debuginfo-0.12.1.2-2.503.el6_9.4.i686.rpm

x86_64:
qemu-guest-agent-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-img-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-kvm-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-kvm-debuginfo-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-kvm-tools-0.12.1.2-2.503.el6_9.4.x86_64.rpm

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

Source:
qemu-kvm-0.12.1.2-2.503.el6_9.4.src.rpm

x86_64:
qemu-guest-agent-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-img-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-kvm-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-kvm-debuginfo-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-kvm-tools-0.12.1.2-2.503.el6_9.4.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
qemu-kvm-0.12.1.2-2.503.el6_9.4.src.rpm

i386:
qemu-guest-agent-0.12.1.2-2.503.el6_9.4.i686.rpm
qemu-kvm-debuginfo-0.12.1.2-2.503.el6_9.4.i686.rpm

ppc64:
qemu-guest-agent-0.12.1.2-2.503.el6_9.4.ppc64.rpm
qemu-kvm-debuginfo-0.12.1.2-2.503.el6_9.4.ppc64.rpm

x86_64:
qemu-guest-agent-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-img-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-kvm-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-kvm-debuginfo-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-kvm-tools-0.12.1.2-2.503.el6_9.4.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
qemu-kvm-0.12.1.2-2.503.el6_9.4.src.rpm

i386:
qemu-guest-agent-0.12.1.2-2.503.el6_9.4.i686.rpm
qemu-kvm-debuginfo-0.12.1.2-2.503.el6_9.4.i686.rpm

x86_64:
qemu-guest-agent-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-img-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-kvm-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-kvm-debuginfo-0.12.1.2-2.503.el6_9.4.x86_64.rpm
qemu-kvm-tools-0.12.1.2-2.503.el6_9.4.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/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/speculativeexecution
https://access.redhat.com/security/cve/CVE-2017-5715

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: qemu-kvm-rhev security update
Advisory ID:       RHSA-2018:0025-01
Product:           Red Hat Virtualization
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:0025
Issue date:        2018-01-04
=====================================================================

1. Summary:

An update for qemu-kvm-rhev is now available for RHEV 4.X, RHEV-H, and
Agents 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:

Management Agent for RHEL 7 Hosts - ppc64le, x86_64

3. Description:

KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on a variety of architectures. The qemu-kvm-rhev packages provide the
user-space component for running virtual machines that use KVM in
environments managed by Red Hat products.

Security Fix(es):

* An industry-wide issue was found in the way many modern microprocessor
designs have implemented speculative execution of instructions (a commonly
used performance optimization). There are three primary variants of the
issue which differ in the way the speculative execution can be exploited.
Variant CVE-2017-5715 triggers the speculative execution by utilizing
branch target injection. It relies on the presence of a precisely-defined
instruction sequence in the privileged code as well as the fact that memory
accesses may cause allocation 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 cross the syscall
and guest/host boundaries and read privileged memory by conducting targeted
cache side-channel attacks. (CVE-2017-5715)

Note: This is the qemu-kvm-rhev side of the CVE-2017-5715 mitigation.

Red Hat would like to thank 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

After installing this update, shut down all running virtual machines. Once
all virtual machines have shut down, start them again for this update to
take effect.

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

1519780 - CVE-2017-5715 hw: cpu: speculative execution branch target injection

6. Package List:

Management Agent for RHEL 7 Hosts:

Source:
qemu-kvm-rhev-2.9.0-16.el7_4.13.src.rpm

ppc64le:
qemu-img-rhev-2.9.0-16.el7_4.13.ppc64le.rpm
qemu-kvm-common-rhev-2.9.0-16.el7_4.13.ppc64le.rpm
qemu-kvm-rhev-2.9.0-16.el7_4.13.ppc64le.rpm
qemu-kvm-rhev-debuginfo-2.9.0-16.el7_4.13.ppc64le.rpm
qemu-kvm-tools-rhev-2.9.0-16.el7_4.13.ppc64le.rpm

x86_64:
qemu-img-rhev-2.9.0-16.el7_4.13.x86_64.rpm
qemu-kvm-common-rhev-2.9.0-16.el7_4.13.x86_64.rpm
qemu-kvm-rhev-2.9.0-16.el7_4.13.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.9.0-16.el7_4.13.x86_64.rpm
qemu-kvm-tools-rhev-2.9.0-16.el7_4.13.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/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/speculativeexecution
https://access.redhat.com/security/cve/CVE-2017-5715

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: qemu-kvm security update
Advisory ID:       RHSA-2018:0026-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:0026
Issue date:        2018-01-04
=====================================================================

1. Summary:

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.2
Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update
Support, and Red Hat Enterprise Linux 7.2 Update Services for SAP
Solutions.

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. 7.2) - x86_64
Red Hat Enterprise Linux Server E4S (v. 7.2) - x86_64
Red Hat Enterprise Linux Server TUS (v. 7.2) - x86_64

3. Description:

Kernel-based Virtual Machine (KVM) is a full virtualization solution for
Linux on a variety of architectures. The qemu-kvm package provides the
user-space component for running virtual machines that use KVM.

Security Fix(es):

* An industry-wide issue was found in the way many modern microprocessor
designs have implemented speculative execution of instructions (a commonly
used performance optimization). There are three primary variants of the
issue which differ in the way the speculative execution can be exploited.
Variant CVE-2017-5715 triggers the speculative execution by utilizing
branch target injection. It relies on the presence of a precisely-defined
instruction sequence in the privileged code as well as the fact that memory
accesses may cause allocation 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 cross the syscall
and guest/host boundaries and read privileged memory by conducting targeted
cache side-channel attacks. (CVE-2017-5715)

Note: This is the qemu-kvm side of the CVE-2017-5715 mitigation.

Red Hat would like to thank 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

After installing this update, shut down all running virtual machines. Once
all virtual machines have shut down, start them again for this update to
take effect.

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

1519780 - CVE-2017-5715 hw: cpu: speculative execution branch target injection

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.2):

Source:
qemu-kvm-1.5.3-105.el7_2.16.src.rpm

x86_64:
libcacard-1.5.3-105.el7_2.16.x86_64.rpm
libcacard-devel-1.5.3-105.el7_2.16.x86_64.rpm
libcacard-tools-1.5.3-105.el7_2.16.x86_64.rpm
qemu-img-1.5.3-105.el7_2.16.x86_64.rpm
qemu-kvm-1.5.3-105.el7_2.16.x86_64.rpm
qemu-kvm-common-1.5.3-105.el7_2.16.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.16.x86_64.rpm
qemu-kvm-tools-1.5.3-105.el7_2.16.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.2):

Source:
qemu-kvm-1.5.3-105.el7_2.16.src.rpm

x86_64:
libcacard-1.5.3-105.el7_2.16.x86_64.rpm
libcacard-devel-1.5.3-105.el7_2.16.x86_64.rpm
libcacard-tools-1.5.3-105.el7_2.16.x86_64.rpm
qemu-img-1.5.3-105.el7_2.16.x86_64.rpm
qemu-kvm-1.5.3-105.el7_2.16.x86_64.rpm
qemu-kvm-common-1.5.3-105.el7_2.16.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.16.x86_64.rpm
qemu-kvm-tools-1.5.3-105.el7_2.16.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.2):

Source:
qemu-kvm-1.5.3-105.el7_2.16.src.rpm

x86_64:
libcacard-1.5.3-105.el7_2.16.x86_64.rpm
libcacard-devel-1.5.3-105.el7_2.16.x86_64.rpm
libcacard-tools-1.5.3-105.el7_2.16.x86_64.rpm
qemu-img-1.5.3-105.el7_2.16.x86_64.rpm
qemu-kvm-1.5.3-105.el7_2.16.x86_64.rpm
qemu-kvm-common-1.5.3-105.el7_2.16.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-105.el7_2.16.x86_64.rpm
qemu-kvm-tools-1.5.3-105.el7_2.16.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/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/speculativeexecution
https://access.redhat.com/security/cve/CVE-2017-5715

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: SHA1

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

Synopsis:          Important: qemu-kvm security update
Advisory ID:       RHSA-2018:0027-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:0027
Issue date:        2018-01-04
=====================================================================

1. Summary:

An update for qemu-kvm 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 Optional EUS (v. 7.3) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.3) - ppc64, ppc64le, x86_64

3. Description:

Kernel-based Virtual Machine (KVM) is a full virtualization solution for
Linux on a variety of architectures. The qemu-kvm package provides the
user-space component for running virtual machines that use KVM.

Security Fix(es):

* An industry-wide issue was found in the way many modern microprocessor
designs have implemented speculative execution of instructions (a commonly
used performance optimization). There are three primary variants of the
issue which differ in the way the speculative execution can be exploited.
Variant CVE-2017-5715 triggers the speculative execution by utilizing
branch target injection. It relies on the presence of a precisely-defined
instruction sequence in the privileged code as well as the fact that memory
accesses may cause allocation 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 cross the syscall
and guest/host boundaries and read privileged memory by conducting targeted
cache side-channel attacks. (CVE-2017-5715)

Note: This is the qemu-kvm side of the CVE-2017-5715 mitigation.

Red Hat would like to thank 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

After installing this update, shut down all running virtual machines. Once
all virtual machines have shut down, start them again for this update to
take effect.

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

1519780 - CVE-2017-5715 hw: cpu: speculative execution branch target injection

6. Package List:

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

Source:
qemu-kvm-1.5.3-126.el7_3.13.src.rpm

x86_64:
qemu-img-1.5.3-126.el7_3.13.x86_64.rpm
qemu-kvm-1.5.3-126.el7_3.13.x86_64.rpm
qemu-kvm-common-1.5.3-126.el7_3.13.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-126.el7_3.13.x86_64.rpm
qemu-kvm-tools-1.5.3-126.el7_3.13.x86_64.rpm

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

Source:
qemu-kvm-1.5.3-126.el7_3.13.src.rpm

ppc64:
qemu-img-1.5.3-126.el7_3.13.ppc64.rpm
qemu-kvm-debuginfo-1.5.3-126.el7_3.13.ppc64.rpm

ppc64le:
qemu-img-1.5.3-126.el7_3.13.ppc64le.rpm
qemu-kvm-debuginfo-1.5.3-126.el7_3.13.ppc64le.rpm

x86_64:
qemu-img-1.5.3-126.el7_3.13.x86_64.rpm
qemu-kvm-1.5.3-126.el7_3.13.x86_64.rpm
qemu-kvm-common-1.5.3-126.el7_3.13.x86_64.rpm
qemu-kvm-debuginfo-1.5.3-126.el7_3.13.x86_64.rpm
qemu-kvm-tools-1.5.3-126.el7_3.13.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/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/speculativeexecution
https://access.redhat.com/security/cve/CVE-2017-5715

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: SHA1

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

Synopsis:          Important: qemu-kvm-rhev security update
Advisory ID:       RHSA-2018:0028-01
Product:           Red Hat Virtualization
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:0028
Issue date:        2018-01-04
=====================================================================

1. Summary:

An update for qemu-kvm-rhev is now available for RHEV 3.X Hypervisor and
Agents for Red Hat Enterprise Linux 7 ELS.

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:

RHEV-H and VDSM for 7 Hosts ELS - x86_64

3. Description:

KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on a variety of architectures. The qemu-kvm-rhev packages provide the
user-space component for running virtual machines that use KVM in
environments managed by Red Hat products.

Security Fix(es):

* An industry-wide issue was found in the way many modern microprocessor
designs have implemented speculative execution of instructions (a commonly
used performance optimization). There are three primary variants of the
issue which differ in the way the speculative execution can be exploited.
Variant CVE-2017-5715 triggers the speculative execution by utilizing
branch target injection. It relies on the presence of a precisely-defined
instruction sequence in the privileged code as well as the fact that memory
accesses may cause allocation 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 cross the syscall
and guest/host boundaries and read privileged memory by conducting targeted
cache side-channel attacks. (CVE-2017-5715)

Note: This is the qemu-kvm-rhev side of the CVE-2017-5715 mitigation.

Red Hat would like to thank 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

After installing this update, shut down all running virtual machines. Once
all virtual machines have shut down, start them again for this update to
take effect.

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

1519780 - CVE-2017-5715 hw: cpu: speculative execution branch target injection

6. Package List:

RHEV-H and VDSM for 7 Hosts ELS:

Source:
qemu-kvm-rhev-2.6.0-28.el7_3.15.src.rpm

x86_64:
qemu-img-rhev-2.6.0-28.el7_3.15.x86_64.rpm
qemu-kvm-common-rhev-2.6.0-28.el7_3.15.x86_64.rpm
qemu-kvm-rhev-2.6.0-28.el7_3.15.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.6.0-28.el7_3.15.x86_64.rpm
qemu-kvm-tools-rhev-2.6.0-28.el7_3.15.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/updates/classification/#important
https://access.redhat.com/security/vulnerabilities/speculativeexecution
https://access.redhat.com/security/cve/CVE-2017-5715

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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