SB2024081960 - NULL pointer dereference in Linux kernel f2fs
Published: August 19, 2024 Updated: May 12, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2024-43859)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the f2fs_set_inode_flags() function in fs/f2fs/inode.c, within the f2fs_file_mmap() and f2fs_file_open() 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/f44a25a8bfe0c15d33244539696cd9119cf44d18
- https://git.kernel.org/stable/c/3ba0ae885215b325605ff7ebf6de12ac2adf204d
- https://git.kernel.org/stable/c/298b1e4182d657c3e388adcc29477904e9600ed5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.109
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.44