CVE-2013-4553: Xen

Medium severity, CVSS 5.2. EPSS: 0.6% chance of exploitation in the next 30 days.

The XEN_DOMCTL_getmemlist hypercall in Xen 3.4.x through 4.3.x (possibly 4.3.1) does not always obtain the page_alloc_lock and mm_rwlock in the same order, which allows local guest administrators to cause a denial of service (host deadlock).

Affected products

• Xen Xen: version 3.4.0 only; version 3.4.1 only; version 3.4.2 only; version 3.4.3 only; version 3.4.4 only; version 4.0.0 only; …

Published 2013-12-24. Last modified 2026-06-16.