Xen: Multiple Vulnerabilities — GLSA 202208-23

Multiple vulnerabilities have been discovered in Xen, the worst of which could result in remote code execution (guest sandbox escape).

Affected packages

app-emulation/xen on all architectures
Affected versions < 4.15.3
Unaffected versions >= 4.15.3
app-emulation/xen-tools on all architectures
Affected versions < 4.15.3
Unaffected versions >= 4.15.3

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 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.15.3"
 

All Xen tools users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-emulation/xen-tools-4.15.3"
 

References

Release date
August 14, 2022

Latest revision
August 14, 2022: 1

Severity
high

Exploitable
remote

Bugzilla entries