Gentoo: 201210-04 qemu-kvm: Multiple vulnerabilities
Posted by Benjamin D. Thomas   
Gentoo Multiple vulnerabilities were found in qemu-kvm, allowing attackers to execute arbitrary code.
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Gentoo Linux Security Advisory                           GLSA 201210-04
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                                            http://security.gentoo.org/
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 Severity: High
    Title: qemu-kvm: Multiple vulnerabilities
     Date: October 18, 2012
     Bugs: #364889, #365259, #372411, #373997, #400595, #430456
       ID: 201210-04

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Synopsis
========

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

Background
==========

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

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-emulation/qemu-kvm      < 1.1.1-r1               >= 1.1.1-r1

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.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

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

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

References
==========

[ 1 ] CVE-2011-1750
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1750
[ 2 ] CVE-2011-1751
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1751
[ 3 ] CVE-2011-2212
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2212
[ 4 ] CVE-2011-2512
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2512
[ 5 ] CVE-2012-0029
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0029
[ 6 ] CVE-2012-2652
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2652

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 http://security.gentoo.org/glsa/glsa-201210-04.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License

Copyright 2012 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5