CVE-2022-33746: Debian Linux

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing.

Affected products

• Debian Debian Linux: version 11.0 only
• Fedoraproject Fedora: version 35 only; version 36 only; version 37 only
• Xen Xen: from 4.13.0, up to and including 4.16.1

Published 2022-10-11. Last modified 2026-06-17.