CVE-2011-1763: Xen

High severity, CVSS 7.7. EPSS: 0.6% chance of exploitation in the next 30 days.

The get_free_port function in Xen allows local authenticated DomU users to cause a denial of service or possibly gain privileges via unspecified vectors involving a new event channel port.

Affected products

• Xen Xen: any version

Published 2014-01-07. Last modified 2026-06-16.