#VU120330 Memory leak in Linux kernel - CVE-2022-50742
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120330
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50742
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the afu_ioctl() function in drivers/misc/ocxl/file.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/11bd8bbdf8f6f5c1145bb158793107a57e3a1f07
- https://git.kernel.org/stable/c/66032c43291672bae8b93184d2806f05be3e16df
- https://git.kernel.org/stable/c/7ba19a60c74fb0057d4daef2fa2cbfc9522f3ba1
- https://git.kernel.org/stable/c/843433a02e344d30fbb62dfd834c60631baaa527
- https://git.kernel.org/stable/c/c3b69ba5114c860d730870c03ab4ee45276e5e35
- https://git.kernel.org/stable/c/fc797285c40a9cc441357abb3521d3e51c743f67
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.220