CVE-2014-5149

Publication date 22 August 2014

Last updated 24 July 2024

Ubuntu priority

Description

Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5146.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
xen	15.04 vivid	Not affected
	14.10 utopic	Ignored end of life
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Fixed 4.1.6.1-0ubuntu0.12.04.6
	10.04 LTS lucid	Not in release
xen-3.3	15.04 vivid	Not in release
	14.10 utopic	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not in release
	10.04 LTS lucid	Ignored end of life

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/2014-08/binBl1EttLmuf.bin Upstream: http://lists.xen.org/archives/html/xen-announce/2014-08/binf523qdXfzv.bin Upstream: http://lists.xen.org/archives/html/xen-announce/2014-08/binsyOajrhEHl.bin Upstream: http://lists.xen.org/archives/html/xen-announce/2014-08/binLdj60kEVFy.bin

CVE-2014-5149

Description

Status

Patch details

References

Other references