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Gentoo Linux Security Advisory GLSA 201612-56
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https://security.gentoo.org/
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Severity: Normal
Title: Xen: Multiple vulnerabilities
Date: December 31, 2016
Bugs: #600382, #600662, #601248, #601250, #601986
ID: 201612-56

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Synopsis
========

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

Background
==========

Xen is a bare-metal hypervisor.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 app-emulation/xen < 4.7.1-r4 >= 4.7.1-r4
2 app-emulation/xen-tools < 4.7.1-r4 >= 4.7.1-r4
3 app-emulation/xen-pvgrub
< 4.7.1-r1 >= 4.7.1-r1
——————————————————————-
3 affected packages

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

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

Impact
======

A local attacker could possibly execute arbitrary code with the
privileges of the process, could gain privileges on the host system,
cause a Denial of Service condition, or obtain sensitive information.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Xen users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=app-emulation/xen-4.7.1-r4”

All Xen Tools users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot -v “>=app-emulation/xen-tools-4.7.1-r4”

All Xen PvGrub users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot -v “>=app-emulation/xen-pvgrub-4.7.1-r1”

References
==========

[ 1 ] CVE-2016-10024
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-10024
[ 2 ] CVE-2016-9377
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9377
[ 3 ] CVE-2016-9378
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9378
[ 4 ] CVE-2016-9379
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9379
[ 5 ] CVE-2016-9380
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9380
[ 6 ] CVE-2016-9381
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9381
[ 7 ] CVE-2016-9382
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9382
[ 8 ] CVE-2016-9383
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9383
[ 9 ] CVE-2016-9384
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9384
[ 10 ] CVE-2016-9385
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9385
[ 11 ] CVE-2016-9386
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9386
[ 12 ] CVE-2016-9637
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9637
[ 13 ] CVE-2016-9815
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9815
[ 14 ] CVE-2016-9816
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9816
[ 15 ] CVE-2016-9817
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9817
[ 16 ] CVE-2016-9818
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9818
[ 17 ] CVE-2016-9932
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9932

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

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

https://security.gentoo.org/glsa/201612-56

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 2016 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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