SB2025070479 - Improper locking in Linux kernel tls
Published: July 4, 2025
Security Bulletin ID
SB2025070479
CSH 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 vulnerability.
1) Improper locking (CVE-ID: CVE-2025-38166)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the net/tls/tls_sw.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/2e36a81d388ec9c3f78b6223f7eda2088cd40adb
- https://git.kernel.org/stable/c/328cac3f9f8ae394748485e769a527518a9137c8
- https://git.kernel.org/stable/c/54a3ecaeeeae8176da8badbd7d72af1017032c39
- https://git.kernel.org/stable/c/57fbbe29e86042bbaa31c1a30d2afa16c427e3f7
- https://git.kernel.org/stable/c/603943f022a7fe5cc83ca7005faf34798fb7853f