#VU115958 Input validation error in Linux kernel - CVE-2022-50385
Published: September 19, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115958
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-2022-50385
CWE-ID: CWE-20
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 improper input validation within the nfs_d_automount() function in fs/nfs/namespace.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/35e3b6ae84935d0d7ff76cbdaa83411b0ad5e471
- https://git.kernel.org/stable/c/5458bc0f9df639d83471ca384152cc62dbee0aeb
- https://git.kernel.org/stable/c/6f3d56783fbed861e483736a7001bdafd0dddd53
- https://git.kernel.org/stable/c/b6fd25d64b0de27991d6bd677f0adf69ad6ff07a
- https://git.kernel.org/stable/c/f12377abac15fb4e8698225ac386894f8ae63598
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86