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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

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