CVE-2013-2078

Publication date 14 August 2013

Last updated 24 July 2024

Ubuntu priority

Description

Xen 4.0.2 through 4.0.4, 4.1.x, and 4.2.x allows local PV guest users to cause a denial of service (hypervisor crash) via certain bit combinations to the XSETBV instruction.

Read the notes from the security team

Status

Show unmaintained releases

No maintained releases are affected by this CVE.

Package	Ubuntu Release	Status
xen	13.04 raring	Fixed 4.2.1-0ubuntu3.2
	12.10 quantal	Fixed 4.1.3-3ubuntu1.6
	12.04 LTS precise	Fixed 4.1.2-2ubuntu2.9
	10.04 LTS lucid	Not in release
xen-3.3	13.04 raring	Not in release
	12.10 quantal	Not in release
	12.04 LTS precise	Not in release
	10.04 LTS lucid	Not affected

Notes

seth-arnold

adding "no-xsave" to supervisor mitigates against the problem

mdeslaur

This is XSA-54

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
xen	Upstream: http://lists.xen.org/archives/html/xen-announce/2013-06/bin_A0ey2XISB.bin