GLSA 202003-56: Xen: Multiple vulnerabilities

Severity:	high
Title:	Xen: Multiple vulnerabilities
Date:	03/25/2020
Bugs:	#686024, #699048, #699996, #702644
ID:	202003-56

Synopsis

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

Background

Xen is a bare-metal hypervisor.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-emulation/xen-tools	< 4.12.0-r1	>= 4.12.0-r1	All supported architectures
app-emulation/xen	< 4.12.0-r1	>= 4.12.0-r1	All supported architectures

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

• CVE-2019-19583
• CVE-2019-19582
• CVE-2019-19581
• CVE-2019-19580
• CVE-2019-19578
• CVE-2019-19577
• CVE-2019-18425
• CVE-2019-18424
• CVE-2019-18423
• CVE-2019-18421
• CVE-2019-18420
• CVE-2019-11135
• CVE-2019-11091
• CVE-2018-12207
• CVE-2018-12207
• CVE-2018-12130
• CVE-2018-12127
• CVE-2018-12126

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202003-56.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.