SB20251216130 - Improper locking in Linux kernel nvme host driver
Published: December 16, 2025
Security Bulletin ID
SB20251216130
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-2025-68218)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the nvme_mpath_set_live() function in drivers/nvme/host/multipath.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/6d87cd5335784351280f82c47cc8a657271929c3
- https://git.kernel.org/stable/c/89456dab7ba5ab63d60945440926673a3205e829
- https://git.kernel.org/stable/c/b03eb63288a8ffe3adfb34e68309c8e2edb06d0b
- https://git.kernel.org/stable/c/e2a897ad5f538d314955c747a0a2edb184fcdecd
- https://git.kernel.org/stable/c/ef4ab2a8abe554379e10303ae86f7c501336ba0d