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Gentoo Linux Security Advisory                           GLSA 201510-02
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: QEMU: Arbitrary code execution
     Date: October 31, 2015
     Bugs: #551752, #555680, #556050, #556052
       ID: 201510-02

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Synopsis
========

A heap-based buffer overflow in QEMU could result in execution of
arbitrary code.

Background
==========

QEMU is a generic and open source machine emulator and virtualizer.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-emulation/qemu          < 2.3.0-r4               >= 2.3.0-r4

Description
===========

Heap-based buffer overflow has been found in QEMU's PCNET controller.

Impact
======

A remote attacker could execute arbitrary code via a specially crafted
packets.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All QEMU users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-emulation/qemu-2.3.0-r4"

References
==========

[ 1 ] CVE-2015-3209
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3209
[ 2 ] CVE-2015-3214
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3214
[ 3 ] CVE-2015-5154
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5154
[ 4 ] CVE-2015-5158
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5158

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

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

 https://security.gentoo.org/glsa/201510-02

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 2015 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


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