SB20250916274 - Buffer overflow in Linux kernel nfsd
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916274
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-50235)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the nfsd_init_dirlist_pages() function in fs/nfsd/nfsproc.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/00b4492686e0497fdb924a9d4c8f6f99377e176c
- https://git.kernel.org/stable/c/0e57d696f60dee6117a8ace0cac7c5761d375277
- https://git.kernel.org/stable/c/c2a878095b5c6f04f90553a3c45872f990dab14e
- https://git.kernel.org/stable/c/dc7f225090c29a5f3b9419b1af32846a201555e7
- https://git.kernel.org/stable/c/f59c74df82f6ac9d2ea4e01aa3ae7c6c4481652d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3