qemu-kvm: Multiple vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 201210-04 / ebuild
Release Date	October 18, 2012
Latest Revision	October 18, 2012: 1
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
app-emulation/qemu-kvm	< 1.1.1-r1	>= 1.1.1-r1	All supported architectures

Related bugreports: #364889, #365259, #372411, #373997, #400595, #430456

Synopsis

Multiple vulnerabilities were found in qemu-kvm, allowing attackers to execute arbitrary code.

2. Impact Information

Background

qemu-kvm provides QEMU and Kernel-based Virtual Machine userland tools.

Description

Multiple vulnerabilities have been discovered in qemu-kvm. Please review the CVE identifiers referenced below for details.

Impact

These vulnerabilities allow a remote attacker to cause a Denial of Service condition on the host server or qemu process, might allow for arbitrary code execution or a symlink attack when qemu-kvm is in snapshot mode.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All qemu-kvm users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-emulation/qemu-kvm-1.1.1-r1"

4. References

Page updated October 18, 2012

Summary: This is a Gentoo Linux Security Advisory

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