SB20251216137 - Improper locking in Linux kernel nfs
Published: December 16, 2025
Security Bulletin ID
SB20251216137
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) Improper locking (CVE-ID: CVE-2025-68185)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the nfs4_setup_readdir() function in fs/nfs/nfs4proc.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/40be5b9080114f18b0cea386db415b68a7273c1a
- https://git.kernel.org/stable/c/504b3fb9948a9e96ebbabdee0d33966a8bab15cb
- https://git.kernel.org/stable/c/6025f641a0e30afdc5aa62017397b1860ad9f677
- https://git.kernel.org/stable/c/a890a2e339b929dbd843328f9a92a1625404fe63
- https://git.kernel.org/stable/c/e6cafe71eb3b5579b245ba1bd528a181e77f3df1
- https://git.kernel.org/stable/c/eacfd08b26a062f1095b18719715bc82ad35312e
- https://git.kernel.org/stable/c/f5e570eaab36a110c6ffda32b87c51170990c2d1
- https://git.kernel.org/stable/c/fa4daf7d11e45b72aad5d943a7ab991f869fff79