SB2025122664 - Memory leak in Linux kernel ipc
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB2025122664
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2022-50748)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the init_mqueue_fs() function in ipc/mqueue.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/55b3709c6d68e32cd3fdd2a630b1f4c97d51b17c
- https://git.kernel.org/stable/c/a1f321051e0dcf2415fb94f81fdc5044cad4c1d6
- https://git.kernel.org/stable/c/c579d60f0d0cd87552f64fdebe68b5d941d20309
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1