SB20251216169 - Infinite loop in Linux kernel mm
Published: December 16, 2025
Security Bulletin ID
SB20251216169
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) Infinite loop (CVE-ID: CVE-2025-68231)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
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 infinite loop within the check_element() and poison_element() functions in mm/mempool.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/19de79aaea33ee1ea058c8711b3b2b4a7e4decd4
- https://git.kernel.org/stable/c/6a13b56537e7b0d97f4bb74e8038ce471f9770d7
- https://git.kernel.org/stable/c/a79e49e1704367b635edad1479db23d7cf1fb71a
- https://git.kernel.org/stable/c/ea4131665107e66ece90e66bcec1a2f1246cbd41
- https://git.kernel.org/stable/c/ec33b59542d96830e3c89845ff833cf7b25ef172