CVE-2014-1895

Published: 01 April 2014

Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.

Priority

Medium

Status

Package Release Status
xen
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 14.04 ESM (Trusty Tahr)
Released (4.3.0-1ubuntu5)
Binaries built from this source package are in Universe and so are supported by the community.
xen-3.3
Launchpad, Ubuntu, Debian
Upstream Ignored
(reached end-of-life)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Binaries built from this source package are in Universe and so are supported by the community.