SB20251216117 - Improper locking in Linux kernel s390 pci
Published: December 16, 2025
Security Bulletin ID
SB20251216117
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-2025-68310)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the zpci_event_attempt_error_recovery() function in arch/s390/pci/pci_event.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/0fd20f65df6aa430454a0deed8f43efa91c54835
- https://git.kernel.org/stable/c/3591d56ea9bfd3e7fbbe70f749bdeed689d415f9
- https://git.kernel.org/stable/c/54f938d9f5693af8ed586a08db4af5d9da1f0f2d
- https://git.kernel.org/stable/c/b63c061be622b17b495cbf78a6d5f2d4c3147f8e
- https://git.kernel.org/stable/c/d0df2503bc3c2be385ca2fd96585daad1870c7c5