CVE-2015-7972

Published: 30 October 2015

The (1) libxl_set_memory_target function in tools/libxl/libxl.c and (2) libxl__build_post function in tools/libxl/libxl_dom.c in Xen 3.4.x through 4.6.x do not properly calculate the balloon size when using the populate-on-demand (PoD) system, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors related to "heavy memory pressure."

Priority

Low

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.