CVE-2013-6436: Red Hat Libvirt

Low severity, CVSS 2.1. EPSS: 0.4% chance of exploitation in the next 30 days.

The lxcDomainGetMemoryParameters method in lxc/lxc_driver.c in libvirt 1.0.5 through 1.2.0 does not properly check the status of LXC guests when reading memory tunables, which allows local users to cause a denial of service (NULL pointer dereference and libvirtd crash) via a guest in the shutdown status, as demonstrated by the "virsh memtune" command.

Affected products

• Red Hat Libvirt: version 1.0.5 only; version 1.0.5.1 only; version 1.0.5.2 only; version 1.0.5.3 only; version 1.0.5.4 only; version 1.0.5.5 only; …

Published 2014-01-07. Last modified 2026-06-17.