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Red Hat Product Errata RHSA-2015:1089 - Security Advisory
Issued:
2015-06-10
Updated:
2015-06-10

RHSA-2015:1089 - 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 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.

A flaw was found in the way QEMU's AMD PCnet Ethernet emulation handled
multi-TMD packets with a length above 4096 bytes. A privileged guest user
in a guest with an AMD PCNet ethernet card enabled could potentially use
this flaw to execute arbitrary code on the host with the privileges of the
hosting QEMU process. (CVE-2015-3209)

Red Hat would like to thank Matt Tait of Google's Project Zero security
team for reporting this issue.

All qemu-kvm-rhev users 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.

For details on how to apply this update, refer to:

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

Affected Products

  • Red Hat OpenStack 5.0 for RHEL 6 x86_64

Fixes

  • BZ - 1225882 - CVE-2015-3209 qemu: pcnet: multi-tmd buffer overflow in the tx path

CVEs

  • CVE-2015-3209

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_6.4.src.rpm SHA-256: ac210c865a049dbbd56956ac97979266832bdc3ec357598dca970ca2f34b9cef
x86_64
qemu-img-rhev-0.12.1.2-2.448.el6_6.4.x86_64.rpm SHA-256: e2cf7f0c3851a3c2dcfb4a4c02ce3667d5c5c11023ab3c3f6f1e67ab4d459291
qemu-kvm-rhev-0.12.1.2-2.448.el6_6.4.x86_64.rpm SHA-256: 3389628f7edda6b985e33fe59e49badb4db9a08eedb3ea13fd29f2345be77590
qemu-kvm-rhev-debuginfo-0.12.1.2-2.448.el6_6.4.x86_64.rpm SHA-256: 8e3d08456a951b46e392ab4e355c1eed56737e3f1f118b158cdb051a60e26b1c
qemu-kvm-rhev-tools-0.12.1.2-2.448.el6_6.4.x86_64.rpm SHA-256: db2701d2b089a7d2f743ee999f0faf71793b9c8180b6164d5f8a6773da8262d6

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

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