SB2025061998 - Memory leak in Linux kernel misc cxl driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB2025061998
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-2022-50025)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the afu_allocate_irqs() function in drivers/misc/cxl/irq.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/3a15b45b5454da862376b5d69a4967f5c6fa1368
- https://git.kernel.org/stable/c/4be138bcd6d68cec0ce47051b117541061f5141a
- https://git.kernel.org/stable/c/6544ff559315498ad6c0a311359ca44987f9ca07
- https://git.kernel.org/stable/c/695af60af755873399ce01cb97176768828bc1fd
- https://git.kernel.org/stable/c/89d51dc6878c47b6400922fac21b6a33f9d1a588
- https://git.kernel.org/stable/c/addff638c41753639368c252d0c5ba0d8fe9ed97
- https://git.kernel.org/stable/c/c2557780ee7818b701681c226fa4cb7c0b171665
- https://git.kernel.org/stable/c/c2c7a29f99788e9e5dfe41d16868ea33da7cc235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.326