SB2024123090 - Use-after-free in Linux kernel f2fs
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024123090
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-53218)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the f2fs_do_shutdown() function in fs/f2fs/file.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/60457ed6c67625c87861f96912b4179dc2293896
- https://git.kernel.org/stable/c/794fa8792d4eacac191f1cbcc2e81b7369e4662a
- https://git.kernel.org/stable/c/7b0033dbc48340a1c1c3f12448ba17d6587ca092
- https://git.kernel.org/stable/c/c631207897a9b3d41167ceca58e07f8f94720e42
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.2