Xen: Multiple vulnerabilities — GLSA 202011-06

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

Affected packages

Package 	app-emulation/xen on all architectures
Affected versions 	< 4.13.2
Unaffected versions 	>= 4.13.2
Package 	app-emulation/xen-tools on all architectures
Affected versions 	< 4.13.2
Unaffected versions 	>= 4.13.2

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-4.13.1-r5"
 

All Xen Tools users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose
 ">=app-emulation/xen-tools-4.13.1-r5"
 

References

    CVE-2020-25595
    CVE-2020-25596
    CVE-2020-25597
    CVE-2020-25598
    CVE-2020-25599
    CVE-2020-25600
    CVE-2020-25601
    CVE-2020-25602
    CVE-2020-25603
    CVE-2020-25604
    CVE-2020-27670
    CVE-2020-27671
    CVE-2020-27672
    CVE-2020-27673
    CVE-2020-27674
    CVE-2020-27675
    XSA-345
    XSA-346
    XSA-347