CVE-2022-23090: Freebsd

High severity, CVSS 7.7. EPSS: 0.2% chance of exploitation in the next 30 days.

The aio_aqueue function, used by the lio_listio system call, fails to release a reference to a credential in an error case. An attacker may cause the reference count to overflow, leading to a use after free (UAF).

Affected products

• Freebsd Freebsd: version 12.3 only; version 13.0 only

Published 2024-02-15. Last modified 2026-06-17.