CVE-2013-2077 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2077): Xen 4.0.x, 4.1.x, and 4.2.x does not properly restrict the contents of a XRSTOR, which allows local PV guest users to cause a denial of service (unhandled exception and hypervisor crash) via unspecified vectors.
*** This bug has been marked as a duplicate of bug 472214 ***