SB2025082887 - Improper error handling in Linux kernel f2fs
Published: August 28, 2025
Security Bulletin ID
SB2025082887
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-2025-38626)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the f2fs_map_blocks() function in fs/f2fs/data.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/1005a3ca28e90c7a64fa43023f866b960a60f791
- https://git.kernel.org/stable/c/264ede8a52f18647ed5bb5f2bd9bf54f556ad8f5
- https://git.kernel.org/stable/c/385e64a0744584397b4b52b27c96703516f39968
- https://git.kernel.org/stable/c/82765ce5c7a56f9309ee45328e763610eaf11253
- https://git.kernel.org/stable/c/f289690f50a01c3e085d87853392d5b7436a4cee