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.
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Meta Information
Published
2025-12-24
Last Modified
2025-12-24
Generated
2026-06-16
AI Q&A
2025-12-24
EPSS Evaluated
2026-06-15
NVD
CVE-2022-50748
EUVD
EUVD-2022-55813
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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Exploitability
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KEV
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CWE ID Description
CWE-UNKNOWN
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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.

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