SB20240531471 - NULL pointer dereference in Linux kernel f2fs
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531471
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-2024-26871)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the trace_f2fs_submit_page_write() and __submit_merged_bio() functions in fs/f2fs/data.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/8e2ea8b04cb8d976110c4568509e67d6a39b2889
- https://git.kernel.org/stable/c/4c122a32582b67bdd44ca8d25f894ee2dc54f566
- https://git.kernel.org/stable/c/6d102382a11d5e6035f6c98f6e508a38541f7af3
- https://git.kernel.org/stable/c/c2034ef6192a65a986a45c2aa2ed05824fdc0e9f
- 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