SB2026011480 - Buffer overflow in Linux kernel f2fs
Published: January 14, 2026
Security Bulletin ID
SB2026011480
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) Buffer overflow (CVE-ID: CVE-2025-71069)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the f2fs_rename() function in fs/f2fs/namei.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/0dde30753c1e8648665dbe069d814e540ce2fd37
- https://git.kernel.org/stable/c/3d65e27e57aaa9d66709fda4cbfb62a87c04a3f5
- https://git.kernel.org/stable/c/64587ab4d1f16fc94f70e04fa87b2e3f69f8a7bb
- https://git.kernel.org/stable/c/c89845fae250efdd59c1d4ec60e9e1c652cee4b6
- https://git.kernel.org/stable/c/d33f89b34aa313f50f9a512d58dd288999f246b0