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[RHSA-2015:0643-01] Important: qemu-kvm-rhev security update

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Red Hat Security Advisory

 

Synopsis: Important: qemu-kvm-rhev security update

Advisory ID: RHSA-2015:0643-01

Product: Red Hat Enterprise Linux OpenStack Platform

Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0643.html

Issue date: 2015-03-05

CVE Names: CVE-2014-8106

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1. Summary:

 

Updated qemu-kvm-rhev packages that fix one security issue are now

available for Red Hat Enterprise Linux OpenStack Platform 6.0 for Red Hat

Enterprise Linux 7.

 

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.

 

2. Relevant releases/architectures:

 

Red Hat Enterprise Linux OpenStack Platform 6.0 for RHEL 7 - x86_64

 

3. 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.

 

4. 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

 

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

 

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

 

6. Package List:

 

Red Hat Enterprise Linux OpenStack Platform 6.0 for RHEL 7:

 

Source:

qemu-kvm-rhev-2.1.2-23.el7.src.rpm

 

x86_64:

libcacard-devel-rhev-2.1.2-23.el7.x86_64.rpm

libcacard-rhev-2.1.2-23.el7.x86_64.rpm

libcacard-tools-rhev-2.1.2-23.el7.x86_64.rpm

qemu-img-rhev-2.1.2-23.el7.x86_64.rpm

qemu-kvm-common-rhev-2.1.2-23.el7.x86_64.rpm

qemu-kvm-rhev-2.1.2-23.el7.x86_64.rpm

qemu-kvm-rhev-debuginfo-2.1.2-23.el7.x86_64.rpm

qemu-kvm-tools-rhev-2.1.2-23.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-2014-8106

https://access.redhat.com/security/updates/classification/#important

 

8. Contact:

 

The Red Hat security contact is . More contact

details at https://access.redhat.com/security/team/contact/

 

Copyright 2015 Red Hat, Inc.

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