SB20251230306 - Resource management error in Linux kernel mptcp
Published: December 30, 2025
Security Bulletin ID
SB20251230306
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-2023-54176)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the mptcp_worker() function in net/mptcp/protocol.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/19ea79e87af32c2b3c6fc49bd84efeb35ca57678
- https://git.kernel.org/stable/c/aff9099e9c51f15c8def05c75b2b73e8487b5d54
- https://git.kernel.org/stable/c/d6a0443733434408f2cbd4c53fea6910599bab9e
- https://git.kernel.org/stable/c/f0b4a4086cf27240fc621a560da9735159049dcc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.108