CVE-2016-5242

Priority
Description
The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x
allows local guest OS users with access to the driver domain to cause a
denial of service (NULL pointer dereference and host OS crash) by creating
concurrent domains and holding references to them, related to VMID
exhaustion.
Notes
Package
Source: xen (LP Ubuntu Debian)
Upstream:needs-triage
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was released [4.4.2-0ubuntu0.14.04.6])
Ubuntu 16.04 LTS (Xenial Xerus):released (4.6.0-1ubuntu4.1)
Binaries built from this source package are in universe and so are supported by the community. For more details see https://wiki.ubuntu.com/SecurityTeam/FAQ#Official_Support
More Information

Updated: 2020-03-18 22:45:25 UTC (commit 2ea7df7bd1e69e1e489978d2724a936eb3faa1b8)