SB20250919138 - Input validation error in Linux kernel nfs
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250919138
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) Input validation error (CVE-ID: CVE-2022-50385)
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 website.
References
- 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