SB2025100162 - Input validation error in Linux kernel damon
Published: October 1, 2025
Security Bulletin ID
SB2025100162
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) Input validation error (CVE-ID: CVE-2025-39909)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the damon_lru_sort_apply_parameters() function in mm/damon/lru_sort.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/326a4b3750c71af3f3c52399ec4dbe33b6da4c26
- https://git.kernel.org/stable/c/711f19dfd783ffb37ca4324388b9c4cb87e71363
- https://git.kernel.org/stable/c/74e391f7da7d9d5235a3cca88ee9fc18f720c75b
- https://git.kernel.org/stable/c/7bb675c9f0257840d33e5d1337d7e3afdd74a6bf
- https://git.kernel.org/stable/c/af0ae62b935317bed1a1361c8c9579db9d300e70