#VU114948 Improper error handling in Linux kernel - CVE-2025-39731
Published: September 8, 2025
Vulnerability identifier: #VU114948
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2025-39731
CWE-ID: CWE-388
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the f2fs_read_end_io() function in fs/f2fs/data.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/08a7efc5b02a0620ae16aa9584060e980a69cb55
- https://git.kernel.org/stable/c/0fe7976b62546f1e95eebfe9879925e9aa22b7a8
- https://git.kernel.org/stable/c/1023836d1b9465593c8746f97d608da32958785f
- https://git.kernel.org/stable/c/18eea36f4f460ead3750ed4afe5496f7ce55f99e
- https://git.kernel.org/stable/c/411e00f44e2e1a7fdb526013b25a7f0ed22a0947
- https://git.kernel.org/stable/c/eb69e69a5ae6c8350957893b5f68bd55b1565fb2