CVE-2013-1964: Xen

Medium severity, CVSS 6.9. EPSS: 0.3% chance of exploitation in the next 30 days.

Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service (host crash), obtain sensitive information, or possibly have other impacts via unspecified vectors.

Affected products

• Xen Xen: version 4.0.0 only; version 4.0.1 only; version 4.0.2 only; version 4.0.3 only; version 4.0.4 only; version 4.1.0 only; …

Published 2013-05-21. Last modified 2026-06-16.