Xen: Multiple vulnerabilities — GLSA 201801-14

Multiple vulnerabilities have been found in Xen, the worst of which could allow for privilege escalation.

Affected Packages

app-emulation/xen on all architectures
Affected versions < 4.9.1-r1
Unaffected versions >= 4.9.1-r1
app-emulation/xen-tools on all architectures
Affected versions < 4.9.1-r1
Unaffected versions >= 4.9.1-r1

Background

Xen is a bare-metal hypervisor.

Description

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

Impact

A local attacker could potentially execute arbitrary code with the privileges of the Xen (QEMU) process on the host, gain privileges on the host system, or cause a Denial of Service condition.

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-4.9.1-r1"
 

All Xen tools users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose
 ">=app-emulation/xen-tools-4.9.1-r1"
 

References

Release Date
January 14, 2018

Latest Revision
January 14, 2018: 1

Severity
high

Exploitable
local

Bugzilla entries