Provide references for CVE-2013-6437.
Where can I find more information about CVE-2013-6437?
References are available at: http://rhn.redhat.com/errata/RHSA-2014-0231.html, http://lists.openstack.org/pipermail/openstack-announce/2013-December/000179.html, https://bugs.launchpad.net/nova/+bug/1253980.