SB2024081960 - NULL pointer dereference in Linux kernel f2fs
Published: August 19, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024081960
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) NULL pointer dereference (CVE-ID: CVE-2024-43859)
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