SB2025070519 - Out-of-bounds read in Linux kernel f2fs
Published: July 5, 2025
Security Bulletin ID
SB2025070519
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) Out-of-bounds read (CVE-ID: CVE-2025-38218)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the f2fs_sanity_check_ckpt() and DIV_ROUND_UP() functions in fs/f2fs/super.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/38ef48a8afef8df646b6f6ae7abb872f18b533c1
- https://git.kernel.org/stable/c/3e5ac62a56a24f4d88ce8ffd7bc452428b235868
- https://git.kernel.org/stable/c/5db0d252c64e91ba1929c70112352e85dc5751e7
- https://git.kernel.org/stable/c/79ef8a6c4ec53d327580fd7d2b522cf4f1d05b0c
- https://git.kernel.org/stable/c/82f51bff393e4c12cf4de553120ca831cfa4ef19
- https://git.kernel.org/stable/c/ad862f71016ba38039df1c96ed55c0a4314cc183
- https://git.kernel.org/stable/c/ee1b421c469876544e297ec1090574bd76100247