CVE-2012-3433: Xen

Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days.

Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service (domain 0 VCPU hang and kernel panic) by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown.

Affected products

• Xen Xen: version 4.0.0 only; version 4.1.0 only

Published 2012-11-24. Last modified 2026-06-16.