CVE-2022-50748

Linux Kernel 5.19-5.19.16, 5.20-6.0.2 - Memory Leak in mqueue Filesystem Initialization

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: ipc: mqueue: fix possible memory leak in init_mqueue_fs() commit db7cfc380900 ("ipc: Free mq_sysctls if ipc namespace creation failed") Here's a similar memory leak to the one fixed by the patch above. retire_mq_sysctls need to be called when init_mqueue_fs fails after setup_mq_sysctls.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/a1f321051e0dcf2415fb94f81fdc5044cad4c1d6

Patch

https://git.kernel.org/stable/c/55b3709c6d68e32cd3fdd2a630b1f4c97d51b17c

Patch

https://git.kernel.org/stable/c/c579d60f0d0cd87552f64fdebe68b5d941d20309

Scores

EPSS 0.0021

EPSS Percentile 10.8%

Details

Status published

Products (10)

linux/Kernel 5.19.0 - 5.19.17linux

linux/Kernel 5.20.0 - 6.0.3linux

Linux/Linux < 5.19

Linux/Linux 5.19

Linux/Linux 5.19.17 - 5.19.*

Linux/Linux 6.0.3 - 6.0.*

Linux/Linux 6.1

Linux/Linux dc55e35f9e810f23dd69cfdc91a3d636023f57a2 - 55b3709c6d68e32cd3fdd2a630b1f4c97d51b17c

Linux/Linux dc55e35f9e810f23dd69cfdc91a3d636023f57a2 - a1f321051e0dcf2415fb94f81fdc5044cad4c1d6

Linux/Linux dc55e35f9e810f23dd69cfdc91a3d636023f57a2 - c579d60f0d0cd87552f64fdebe68b5d941d20309

Published Dec 24, 2025

Tracked Since Feb 18, 2026