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 |
Upstream |
Needs triage
|
| Ubuntu 16.04 LTS (Xenial Xerus) |
Released
(4.5.1-0ubuntu2)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Does not exist
(trusty was released [4.4.2-0ubuntu0.14.04.3])
|
|
| Binaries built from this source package are in Universe and so are supported by the community. | ||