CVE-2012-5514: Xen

Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days.

The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to cause a denial of service (hang) via unspecified vectors.

Affected products

• Xen Xen: up to and including 4.2.0; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; version 3.1.3 only; version 3.1.4 only; …

Published 2012-12-13. Last modified 2026-06-16.