CVE-2023-53044: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: dm stats: check for and propagate alloc_percpu failure Check alloc_precpu()'s return value and return an error from dm_stats_init() if it fails. Update alloc_dev() to fail if dm_stats_init() does. Otherwise, a NULL pointer dereference will occur in dm_stats_cleanup() even if dm-stats isn't being actively used.

Affected products

• Linux Linux Kernel: from 3.12, before 4.14.312 (fixed in 4.14.312); from 4.15, before 4.19.280 (fixed in 4.19.280); from 4.20, before 5.4.240 (fixed in 5.4.240); from 5.5, before 5.10.177 (fixed in 5.10.177); from 5.11, before 5.15.105 (fixed in 5.15.105); from 5.16, before 6.1.22 (fixed in 6.1.22); …

Published 2025-05-02. Last modified 2026-06-17.