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Red Hat Product Errata RHSA-2013:0608 - Security Advisory
Issued:
2013-03-07
Updated:
2013-03-07

RHSA-2013:0608 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: kvm 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 kvm packages that fix one security issue are now available for Red
Hat Enterprise Linux 5.

The Red Hat Security Response Team 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. KVM is a Linux kernel module built for
the standard Red Hat Enterprise Linux kernel.

A flaw was found in the way QEMU-KVM emulated the e1000 network interface
card when the host was configured to accept jumbo network frames, and a
guest using the e1000 emulated driver was not. A remote attacker could use
this flaw to crash the guest or, potentially, execute arbitrary code with
root privileges in the guest. (CVE-2012-6075)

All users of kvm are advised to upgrade to these updated packages, which
contain backported patches to correct this issue. Note that the procedure
in the Solution section must be performed before this update will 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/knowledge/articles/11258

The following procedure must be performed before this update will take
effect:

1) Stop all KVM guest virtual machines.

2) Either reboot the hypervisor machine or, as the root user, remove (using
"modprobe -r [module]") and reload (using "modprobe [module]") all of the
following modules which are currently running (determined using "lsmod"):
kvm, ksm, kvm-intel or kvm-amd.

3) Restart the KVM guest virtual machines.

Affected Products

  • Red Hat Enterprise Linux Server 5 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 5.9 x86_64
  • Red Hat Enterprise Linux Server - AUS 5.9 x86_64
  • Red Hat Enterprise Linux Workstation 5 x86_64

Fixes

  • BZ - 889301 - CVE-2012-6075 qemu: e1000 driver buffer overflow when processing large packets when SBP and LPE flags are disabled

CVEs

  • CVE-2012-6075

References

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

Red Hat Enterprise Linux Server 5

SRPM
kvm-83-262.el5_9.1.src.rpm SHA-256: 6f1736779437ec6945303cfff8b111ba1e5f751467c87e14416ce4d12cdccc87
x86_64
kmod-kvm-83-262.el5_9.1.x86_64.rpm SHA-256: 524e1f6ad5e52cea98be8b76229a2356f1cf08c3759d6535123d27cddfeed47d
kmod-kvm-debug-83-262.el5_9.1.x86_64.rpm SHA-256: e3bd8c08e4901f6c19e14cc32fa0abf4e6dd726b0dc51de49a930ee48704892d
kvm-83-262.el5_9.1.x86_64.rpm SHA-256: beed13f35e5aa455a57300e317b4d55fb7be662a2c6f44445b42f4bb972dc675
kvm-debuginfo-83-262.el5_9.1.x86_64.rpm SHA-256: bd0add7e0a86ffcccb90eac0eeb3d6f9875bfe0ff756a1e64261c938b28028a0
kvm-qemu-img-83-262.el5_9.1.x86_64.rpm SHA-256: fb36bcbeb77f558068d3f456871a4658e146ac4538e6dba49e0232c9e7772a3d
kvm-tools-83-262.el5_9.1.x86_64.rpm SHA-256: de6aaef76409b50494ea2c746f5901f454f842872c2aa00cdc4e4790d6afbd0d

Red Hat Enterprise Linux for x86_64 - Extended Update Support 5.9

SRPM
kvm-83-262.el5_9.1.src.rpm SHA-256: 6f1736779437ec6945303cfff8b111ba1e5f751467c87e14416ce4d12cdccc87
x86_64
kmod-kvm-83-262.el5_9.1.x86_64.rpm SHA-256: 524e1f6ad5e52cea98be8b76229a2356f1cf08c3759d6535123d27cddfeed47d
kmod-kvm-debug-83-262.el5_9.1.x86_64.rpm SHA-256: e3bd8c08e4901f6c19e14cc32fa0abf4e6dd726b0dc51de49a930ee48704892d
kvm-83-262.el5_9.1.x86_64.rpm SHA-256: beed13f35e5aa455a57300e317b4d55fb7be662a2c6f44445b42f4bb972dc675
kvm-debuginfo-83-262.el5_9.1.x86_64.rpm SHA-256: bd0add7e0a86ffcccb90eac0eeb3d6f9875bfe0ff756a1e64261c938b28028a0
kvm-qemu-img-83-262.el5_9.1.x86_64.rpm SHA-256: fb36bcbeb77f558068d3f456871a4658e146ac4538e6dba49e0232c9e7772a3d
kvm-tools-83-262.el5_9.1.x86_64.rpm SHA-256: de6aaef76409b50494ea2c746f5901f454f842872c2aa00cdc4e4790d6afbd0d

Red Hat Enterprise Linux Server - AUS 5.9

SRPM
kvm-83-262.el5_9.1.src.rpm SHA-256: 6f1736779437ec6945303cfff8b111ba1e5f751467c87e14416ce4d12cdccc87
x86_64
kmod-kvm-83-262.el5_9.1.x86_64.rpm SHA-256: 524e1f6ad5e52cea98be8b76229a2356f1cf08c3759d6535123d27cddfeed47d
kmod-kvm-debug-83-262.el5_9.1.x86_64.rpm SHA-256: e3bd8c08e4901f6c19e14cc32fa0abf4e6dd726b0dc51de49a930ee48704892d
kvm-83-262.el5_9.1.x86_64.rpm SHA-256: beed13f35e5aa455a57300e317b4d55fb7be662a2c6f44445b42f4bb972dc675
kvm-debuginfo-83-262.el5_9.1.x86_64.rpm SHA-256: bd0add7e0a86ffcccb90eac0eeb3d6f9875bfe0ff756a1e64261c938b28028a0
kvm-qemu-img-83-262.el5_9.1.x86_64.rpm SHA-256: fb36bcbeb77f558068d3f456871a4658e146ac4538e6dba49e0232c9e7772a3d
kvm-tools-83-262.el5_9.1.x86_64.rpm SHA-256: de6aaef76409b50494ea2c746f5901f454f842872c2aa00cdc4e4790d6afbd0d

Red Hat Enterprise Linux Workstation 5

SRPM
kvm-83-262.el5_9.1.src.rpm SHA-256: 6f1736779437ec6945303cfff8b111ba1e5f751467c87e14416ce4d12cdccc87
x86_64
kmod-kvm-83-262.el5_9.1.x86_64.rpm SHA-256: 524e1f6ad5e52cea98be8b76229a2356f1cf08c3759d6535123d27cddfeed47d
kmod-kvm-debug-83-262.el5_9.1.x86_64.rpm SHA-256: e3bd8c08e4901f6c19e14cc32fa0abf4e6dd726b0dc51de49a930ee48704892d
kvm-83-262.el5_9.1.x86_64.rpm SHA-256: beed13f35e5aa455a57300e317b4d55fb7be662a2c6f44445b42f4bb972dc675
kvm-debuginfo-83-262.el5_9.1.x86_64.rpm SHA-256: bd0add7e0a86ffcccb90eac0eeb3d6f9875bfe0ff756a1e64261c938b28028a0
kvm-qemu-img-83-262.el5_9.1.x86_64.rpm SHA-256: fb36bcbeb77f558068d3f456871a4658e146ac4538e6dba49e0232c9e7772a3d
kvm-tools-83-262.el5_9.1.x86_64.rpm SHA-256: de6aaef76409b50494ea2c746f5901f454f842872c2aa00cdc4e4790d6afbd0d

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

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