CVE-2010-2239
Red Hat libvirt, possibly 0.6.0 through 0.8.2, creates new images without setting the user-defined backing-store format, which allows guest OS users to read arbitrary files on the host OS via unspecified vectors.
Date published : 2010-08-19
https://bugzilla.redhat.com/show_bug.cgi?id=607812
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044520.html