Xen: Multiple vulnerabilities — GLSA 201702-27

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

Affected Packages

app-emulation/xen on all architectures
Affected versions < 4.7.1-r5
Unaffected versions >= 4.7.1-r5
app-emulation/xen-tools on all architectures
Affected versions < 4.7.1-r6
Unaffected versions >= 4.7.1-r6

Background

Xen is a bare-metal hypervisor.

Description

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

Impact

A local attacker could potentially execute arbitrary code with privileges of Xen (QEMU) process on the host, 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-r5"
 

All Xen Tools users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose
 ">=app-emulation/xen-tools-4.7.1-r6"
 

References

Release Date
February 21, 2017

Latest Revision
February 21, 2017: 1

Severity
normal

Exploitable
local

Bugzilla entries