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Gentoo Linux Security Advisory                           GLSA 201504-04
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                                           https://security.gentoo.org/
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 Severity: High
    Title: Xen: Multiple vulnerabilities
     Date: April 11, 2015
     Bugs: #478280, #482138, #512294, #519800, #530182, #530980,
           #532030, #536220, #542266, #543304, #545144
       ID: 201504-04

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Synopsis
========

Multiple vulnerabilities have been found in Xen, the worst of which can
allow remote attackers to cause a Denial of Service condition.

Background
==========

Xen is a bare-metal hypervisor.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-emulation/xen           < 4.4.2-r1               >= 4.4.2-r1
                                                         *>= 4.2.5-r8

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

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

Impact
======

A local attacker could possibly cause a Denial of Service condition or
obtain sensitive information.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Xen 4.4 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.4.2-r1"

All Xen 4.2 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.2.5-r8"

References
==========

[  1 ] CVE-2013-2212
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2212
[  2 ] CVE-2013-3495
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-3495
[  3 ] CVE-2014-3967
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3967
[  4 ] CVE-2014-3968
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3968
[  5 ] CVE-2014-5146
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5146
[  6 ] CVE-2014-5149
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5149
[  7 ] CVE-2014-8594
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8594
[  8 ] CVE-2014-8595
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8595
[  9 ] CVE-2014-8866
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8866
[ 10 ] CVE-2014-8867
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8867
[ 11 ] CVE-2014-9030
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9030
[ 12 ] CVE-2014-9065
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9065
[ 13 ] CVE-2014-9066
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9066
[ 14 ] CVE-2015-0361
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0361
[ 15 ] CVE-2015-2044
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2044
[ 16 ] CVE-2015-2045
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2045
[ 17 ] CVE-2015-2152
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2152
[ 18 ] CVE-2015-2751
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2751
[ 19 ] CVE-2015-2752
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2752
[ 20 ] CVE-2015-2756
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2756

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

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

 https://security.gentoo.org/glsa/201504-04

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