SB20251230302 - Resource management error in Linux kernel smb client
Published: December 30, 2025
Security Bulletin ID
SB20251230302
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) Resource management error (CVE-ID: CVE-2023-54258)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the cifs_oplock_break() function in fs/smb/client/file.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/5ee28bcfbaacf289eb25c662a2862542ea6ce6a7
- https://git.kernel.org/stable/c/6b67a6d2e50634fe127e656147c81915955e9f5e
- https://git.kernel.org/stable/c/b99f490ea87ebcca3a429fd8837067feb56a4c7c
- https://git.kernel.org/stable/c/e8f5f849ffce24490eb9449e98312b66c0dba76f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.128
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.47
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5