CVE-2013-1918: Xen

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

Certain page table manipulation operations in Xen 4.1.x, 4.2.x, and earlier are not preemptible, which allows local PV kernels to cause a denial of service via vectors related to "deep page table traversal."

Affected products

• Xen Xen: version 4.1.0 only; version 4.1.1 only; version 4.1.2 only; version 4.1.3 only; version 4.1.4 only; version 4.1.5 only; …

Published 2013-05-13. Last modified 2026-06-16.