GLSA 201710-17: Xen: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	high
Title:	Xen: Multiple vulnerabilities
Date:	10/18/2017
Bugs:	#624112, #624116, #624118, #624124, #624128
ID:	201710-17

Synopsis

Multiple vulnerabilities have been found in Xen, the worst of which may allow local attackers to escalate privileges.

Background

Xen is a bare-metal hypervisor.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-emulation/xen	< 4.7.3	>= 4.7.3	All supported architectures
app-emulation/xen-pvgrub	< 4.7.3	>= 4.7.3	All supported architectures
app-emulation/xen-tools	< 4.7.3	>= 4.7.3	All supported architectures

Description

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

Impact

A local attacker could escalate privileges, cause a Denial of Service condition, obtain sensitive information, or have other unspecified impacts.

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-4.7.3"

All Xen pvgrub users should upgrade to the latest version:


      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-emulation/xen-pvgrub-4.7.3"

All Xen Tools users should upgrade to the latest version:


      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-emulation/xen-tools-4.7.3"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201710-17.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.