CVE-2012-6333

Name of the Vulnerable Software and Affected Versions Xen versions 3.4 through 4.2

Description The issue allows local HVM guest OS administrators to cause a denial of service, resulting in physical CPU consumption, by providing a large input to multiple HVM control operations.

Recommendations For Xen versions 3.4 through 4.2, consider restricting access to HVM control operations to prevent exploitation and minimize the risk of denial of service attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.