CVE-2023-54015: Linux

EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Devcom, fix error flow in mlx5_devcom_register_device In case devcom allocation is failed, mlx5 is always freeing the priv. However, this priv might have been allocated by a different thread, and freeing it might lead to use-after-free bugs. Fix it by freeing the priv only in case it was allocated by the running thread.

Affected products

• Linux Linux: from 5.0, before 5.4.244 (fixed in 5.4.244); from 5.5, before 5.10.181 (fixed in 5.10.181); from 5.11, before 5.15.114 (fixed in 5.15.114); from 5.16, before 6.1.31 (fixed in 6.1.31); from 6.2, before 6.3.5 (fixed in 6.3.5)

Published 2025-12-24. Last modified 2026-06-17.