Xen: Multiple vulnerabilities

Background

Xen is a bare-metal hypervisor.

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"