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Red Hat Product Errata RHSA-2015:0891 - Security Advisory
Issued:
2015-04-28
Updated:
2015-04-28

RHSA-2015:0891 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: qemu-kvm-rhev security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated qemu-kvm-rhev packages that fix one security issue are now
available for Red Hat Enterprise Linux OpenStack Platform 4.0 and 5.0 for
Red Hat Enterprise Linux 6.

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

Description

KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM, in
environments managed by Red Hat Enterprise Linux OpenStack Platform.

It was found that the Cirrus blit region checks were insufficient.
A privileged guest user could use this flaw to write outside of
VRAM-allocated buffer boundaries in the host's QEMU process address space
with attacker-provided data. (CVE-2014-8106)

This issue was found by Paolo Bonzini of Red Hat.

All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain a backported patch to correct this issue. 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.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258

Affected Products

  • Red Hat OpenStack 5.0 for RHEL 6 x86_64
  • Red Hat OpenStack 4.0 x86_64

Fixes

  • BZ - 1169454 - CVE-2014-8106 qemu: cirrus: insufficient blit region checks

CVEs

  • CVE-2014-8106

References

  • http://www.redhat.com/security/updates/classification/#normal
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat OpenStack 5.0 for RHEL 6

SRPM
qemu-kvm-rhev-0.12.1.2-2.448.el6_6.2.src.rpm SHA-256: 7a1442d99ffa8bda8b8f31c3649407a043ca781eaaaddc0554dc3f3dade072a0
x86_64
qemu-img-rhev-0.12.1.2-2.448.el6_6.2.x86_64.rpm SHA-256: 698844f500d9a30a1453d9dd1583b28fba0cae8a0b300fd2a84525caa9494e05
qemu-kvm-rhev-0.12.1.2-2.448.el6_6.2.x86_64.rpm SHA-256: a11888aaeeae64bac2daeb0e1b859e35a9a11a929b7421b42fe63ac78befd6ad
qemu-kvm-rhev-debuginfo-0.12.1.2-2.448.el6_6.2.x86_64.rpm SHA-256: d579821c725fe3a7a6a6719c4395b53edc0286acd1b8629054001a2a80526183
qemu-kvm-rhev-tools-0.12.1.2-2.448.el6_6.2.x86_64.rpm SHA-256: 945821d5a5eb8d33bdc16dfa5805f01b48601491c091b0f9b9ab4d9667e4f478

Red Hat OpenStack 4.0

SRPM
qemu-kvm-rhev-0.12.1.2-2.448.el6_6.2.src.rpm SHA-256: 7a1442d99ffa8bda8b8f31c3649407a043ca781eaaaddc0554dc3f3dade072a0
x86_64
qemu-img-rhev-0.12.1.2-2.448.el6_6.2.x86_64.rpm SHA-256: 698844f500d9a30a1453d9dd1583b28fba0cae8a0b300fd2a84525caa9494e05
qemu-kvm-rhev-0.12.1.2-2.448.el6_6.2.x86_64.rpm SHA-256: a11888aaeeae64bac2daeb0e1b859e35a9a11a929b7421b42fe63ac78befd6ad
qemu-kvm-rhev-debuginfo-0.12.1.2-2.448.el6_6.2.x86_64.rpm SHA-256: d579821c725fe3a7a6a6719c4395b53edc0286acd1b8629054001a2a80526183
qemu-kvm-rhev-tools-0.12.1.2-2.448.el6_6.2.x86_64.rpm SHA-256: 945821d5a5eb8d33bdc16dfa5805f01b48601491c091b0f9b9ab4d9667e4f478

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

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