Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2015-7970

Published: 30 October 2015

The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a "time-consuming linear scan," related to Populate-on-Demand.

Priority

Medium

Status

Package Release Status
xen
Launchpad, Ubuntu, Debian
precise
Released (4.1.6.1-0ubuntu0.12.04.7)
trusty
Released (4.4.2-0ubuntu0.14.04.3)
upstream Needs triage

vivid
Released (4.5.0-1ubuntu4.3)
wily
Released (4.5.1-0ubuntu1.1)
Binaries built from this source package are in Universe and so are supported by the community.