SB2024070431 - Incorrect calculation in Linux kernel f2fs
Published: July 4, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024070431
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) Incorrect calculation (CVE-ID: CVE-2024-35844)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the reserve_compress_blocks(), f2fs_reserve_compress_blocks() and mnt_drop_write_file() functions in fs/f2fs/file.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/fa3ac8b1a227d9b470b87972494293348b5839ee
- https://git.kernel.org/stable/c/889846dfc8ee2cf31148a44bfd2faeb2faadc685
- https://git.kernel.org/stable/c/f0bf89e84c3afb79d7a3a9e4bc853ad6a3245c0a
- https://git.kernel.org/stable/c/569c198c9e2093fd29cc071856a4e548fda506bc
- https://git.kernel.org/stable/c/fc0aed88afbf6f606205129a7466eebdf528e3f3
- https://git.kernel.org/stable/c/2f6d721e14b69d6e1251f69fa238b48e8374e25f
- http://www.openwall.com/lists/oss-security/2024/05/30/2
- http://www.openwall.com/lists/oss-security/2024/05/30/1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.153
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2