[gentoo-announce] [ GLSA 201412-42 ] Xen: Denial of Service

[news 28]

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Gentoo Linux Security Advisory GLSA 201412-42

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http://security.gentoo.org/

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Severity: Normal

Title: Xen: Denial of Service

Date: December 26, 2014

Bugs: #523524, #524200

ID: 201412-42

 

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Synopsis

========

 

Multiple vulnerabilities have been found in Xen, possibly resulting in

Denial of Service.

 

Background

==========

 

Xen is a bare-metal hypervisor.

 

Affected packages

=================

 

-------------------------------------------------------------------

Package / Vulnerable / Unaffected

-------------------------------------------------------------------

1 app-emulation/xen < 4.4.1-r2 *>= 4.2.5-r1

>= 4.4.1-r2

 

Description

===========

 

Multiple vulnerabilities have been discovered in Xen. Please review the

CVE identifiers referenced below for details.

 

Impact

======

 

A local user could possibly cause a Denial of Service condition.

 

Workaround

==========

 

There is no known workaround at this time.

 

Resolution

==========

 

All Xen 4.2 users should upgrade to the latest version:

 

# emerge --sync

# emerge --ask --oneshot --verbose ">=app-emulation/xen-4.2.5-r1"

 

All Xen 4.4 users should upgrade to the latest version:

 

# emerge --sync

# emerge --ask --oneshot --verbose ">=app-emulation/xen-4.4.1-r2"

 

References

==========

 

[ 1 ] CVE-2014-7154

http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7154

[ 2 ] CVE-2014-7155

http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7155

[ 3 ] CVE-2014-7156

http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7156

[ 4 ] CVE-2014-7188

http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7188

 

Availability

============

 

This GLSA and any updates to it are available for viewing at

the Gentoo Security Website:

 

http://security.gentoo.org/glsa/glsa-201412-42.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 ( -at -) 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