CVE-2022-0480: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A flaw was found in the filelock_init in fs/locks.c function in the Linux kernel. This issue can lead to host memory exhaustion due to memcg not limiting the number of Portable Operating System Interface (POSIX) file locks.

Affected products

• Linux Linux Kernel: before 5.15 (fixed in 5.15)
• Red Hat Enterprise Linux: version 9.0 only

Published 2022-08-29. Last modified 2026-06-17.