Gentoo: 201407-03 Xen: Multiple Vunlerabilities
Posted by Benjamin D. Thomas   
Gentoo Multiple vulnerabilities have been found in Xen, the worst of which could lead to arbitrary code execution.
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Gentoo Linux Security Advisory                           GLSA 201407-03
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                                            http://security.gentoo.org/
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 Severity: High
    Title: Xen: Multiple Vunlerabilities
     Date: July 16, 2014
     Bugs: #440768, #484478, #486354, #497082, #497084, #497086,
           #499054, #499124, #500528, #500530, #500536, #501080,
           #501906, #505714, #509054, #513824
       ID: 201407-03

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Synopsis
========

Multiple vulnerabilities have been found in Xen, the worst of which
could lead to arbitrary code execution.

Background
==========

Xen is a bare-metal hypervisor.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-emulations/xen          < 4.3.2-r4               >= 4.3.2-r4 
                                                         *>= 4.2.4-r4 
  2  app-emulations/xen-tools
                                 < 4.3.2-r5               >= 4.3.2-r5 
                                                         *>= 4.2.4-r6 
  3  app-emulations/xen-pvgrub
                                  < 4.3.2                   *>= 4.3.2 
                                                            *>= 4.2.4 
    -------------------------------------------------------------------
     3 affected packages

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

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

Impact
======

A remote attacker can utilize multiple vectors to execute arbitrary
code, cause Denial of Service, or gain access to data on the host.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Xen 4.3 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-emulations/xen-4.3.2-r2"

All Xen 4.2 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-emulations/xen-4.2.4-r2"

All xen-tools 4.3 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=app-emulations/xen-tools-4.3.2-r2"

All xen-tools 4.2 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=app-emulations/xen-tools-4.2.4-r2"

All Xen PVGRUB 4.3 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=app-emulations/xen-pvgrub-4.3.2"

All Xen PVGRUB 4.2 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=app-emulations/xen-pvgrub-4.2.4"

References
==========

[  1 ] CVE-2013-1442
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1442
[  2 ] CVE-2013-4329
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4329
[  3 ] CVE-2013-4355
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4355
[  4 ] CVE-2013-4356
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4356
[  5 ] CVE-2013-4361
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4361
[  6 ] CVE-2013-4368
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4368
[  7 ] CVE-2013-4369
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4369
[  8 ] CVE-2013-4370
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4370
[  9 ] CVE-2013-4371
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4371
[ 10 ] CVE-2013-4375
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4375
[ 11 ] CVE-2013-4416
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4416
[ 12 ] CVE-2013-4494
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4494
[ 13 ] CVE-2013-4551
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4551
[ 14 ] CVE-2013-4553
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4553
[ 15 ] CVE-2013-4554
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4554
[ 16 ] CVE-2013-6375
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6375
[ 17 ] CVE-2013-6400
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6400
[ 18 ] CVE-2013-6885
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6885
[ 19 ] CVE-2013-6885
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6885
[ 20 ] CVE-2014-1642
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-1642
[ 21 ] CVE-2014-1666
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-1666
[ 22 ] CVE-2014-1891
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-1891
[ 23 ] CVE-2014-1892
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-1892
[ 24 ] CVE-2014-1893
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-1893
[ 25 ] CVE-2014-1894
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-1894
[ 26 ] CVE-2014-1895
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-1895
[ 27 ] CVE-2014-1896
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-1896
[ 28 ] CVE-2014-2599
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2599
[ 29 ] CVE-2014-3124
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3124
[ 30 ] CVE-2014-4021
       http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-4021

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

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

 http://security.gentoo.org/glsa/glsa-201407-03.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 2014 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