Citrix Hypervisor Security Update

Description of Problem Two issues have been identified in Citrix Hypervisor that may, if exploited, allow privileged code in an HVM guest VM to compromise or crash the host. These issues only apply in specific configurations; furthermore, Citrix believes that there would be significant difficulty...

PT-2013-4958

Name of the Vulnerable Software and Affected Versions Xen versions 4.0.x through 4.2.x Description The issue allows local HVM guest domains to gain privileges or cause a denial of service via a DMA instruction when IOMMU is disabled. This occurs because the xenlight library provides access to a...