Xen: Multiple vulnerabilities — GLSA 202107-30

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

Affected packages

app-emulation/xen on all architectures
Affected versions < 4.15.0-r1
Unaffected versions >= 4.14.2-r1
>= 4.15.0-r1

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

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All Xen 4.14.x users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.14.2-r1"
 

All Xen 4.15.x users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.15.0-r1"
 

References

Release date
July 12, 2021

Latest revision
July 12, 2021: 1

Severity
high

Exploitable
local, remote

Bugzilla entries