GLSA 201504-04: Xen: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	high
Title:	Xen: Multiple vulnerabilities
Date:	04/11/2015
Bugs:	#478280, #482138, #512294, #519800, #530182, #530980, #532030, #536220, #542266, #543304, #545144
ID:	201504-04

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	Architecture(s)
app-emulation/xen	< 4.4.2-r1	>= 4.4.2-r1	All supported architectures

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

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201504-04.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.