CVE-2013-1432: Xen

High severity, CVSS 7.4. EPSS: 0.6% chance of exploitation in the next 30 days.

Xen 4.1.x and 4.2.x, when the XSA-45 patch is in place, does not properly maintain references on pages stored for deferred cleanup, which allows local PV guest kernels to cause a denial of service (premature page free and hypervisor crash) or possibly gain privileges via unspecified vectors.

Affected products

• Xen Xen: version 4.2.0 only; version 4.2.1 only; version 4.2.2 only; version 4.1.0 only; version 4.1.1 only; version 4.1.2 only; …

Published 2013-08-28. Last modified 2026-06-16.