SB20251210136 - Improper error handling in Linux kernel f2fs
Published: December 10, 2025
Security Bulletin ID
SB20251210136
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) Improper error handling (CVE-ID: CVE-2025-40333)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the __insert_extent_tree() function in fs/f2fs/extent_cache.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.