Xen: Multiple vulnerabilities — GLSA 202003-56

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 < 4.12.0-r1
Unaffected versions >= 4.12.0-r1
app-emulation/xen-tools on all architectures
Affected versions < 4.12.0-r1
Unaffected versions >= 4.12.0-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 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-4.12.0-r1"
 

References

Release date
March 25, 2020

Latest revision
March 25, 2020: 1

Severity
high

Exploitable
local

Bugzilla entries