#VU116355 Memory leak in Linux kernel - CVE-2022-50427
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116355
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-2022-50427
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 snd_ac97_dev_register() function in sound/pci/ac97/ac97_codec.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/0f8e9a15c8ecf95057061d370a2dddaf1cee4aeb
- https://git.kernel.org/stable/c/4881bda5ea05c8c240fc8afeaa928e2bc43f61fa
- https://git.kernel.org/stable/c/4fdf6f978c6b605ca0d67bf0e982b7a8fc0f4aab
- https://git.kernel.org/stable/c/758dbcc6fbf2286eff02743b093c70a18a407d66
- https://git.kernel.org/stable/c/a602ec9d88f177dba78bc97fb1adecc7a71ff279
- https://git.kernel.org/stable/c/bfce73088682ef0770da951f51156c36a89be490
- https://git.kernel.org/stable/c/c68b2e9ef246117f696e360bbdd2f5736b3a7127
- https://git.kernel.org/stable/c/ee8bf0946f62ef00e5db4b613a9f664ac567259a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.264