SB20250916208 - Improper locking in Linux kernel f2fs
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916208
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 locking (CVE-ID: CVE-2023-53214)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __update_iostat_latency() function in fs/f2fs/iostat.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/0dbbf0fb38d5ec5d4138d1aeaeb43d9217b9a592
- https://git.kernel.org/stable/c/20b4f3de0f3932f71b4a8daf0671e517a8d98022
- https://git.kernel.org/stable/c/22ddbbff116ee7dce5431feb1c0f36a507d2d68d
- https://git.kernel.org/stable/c/aa4d726af72a21732ce120484e0b1240674a13b3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.100