CVE-2013-2077: Undefined Security Weakness

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...

CVE-2013-2078

Xen 4.0.2 through 4.0.4, 4.1.x, and 4.2.x allows local PV guest users to cause a denial of service hypervisor crash via certain bit combinations to the XSETBV instruction...

CVE-2013-2078

Xen 4.0.2 through 4.0.4, 4.1.x, and 4.2.x allows local PV guest users to cause a denial of service hypervisor crash via certain bit combinations to the XSETBV instruction...