CVE-2022-50748
Unknown Unknown - Not Provided

Memory Leak in Linux Kernel ipc mqueue Initialization

Publication date: 2025-12-24

Last updated on: 2025-12-24

Assigner: kernel.org

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2025-12-24
Last Modified
2025-12-24
Generated
2026-07-06
AI Q&A
2025-12-24
EPSS Evaluated
2026-07-05
NVD
CVE-2022-50748
EUVD
EUVD-2022-55813

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a possible memory leak in the Linux kernel's IPC (inter-process communication) message queue subsystem. Specifically, if the initialization of the message queue filesystem (init_mqueue_fs) fails after setting up system controls (mq_sysctls), the cleanup function retire_mq_sysctls is not called, leading to a memory leak.

Impact Analysis

The memory leak could lead to increased memory usage over time, potentially degrading system performance or causing resource exhaustion if the failure condition occurs repeatedly.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2022-50748. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart