#VU120264 Improper locking in Linux kernel - CVE-2025-68339
Published: December 23, 2025
Vulnerability identifier: #VU120264
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-2025-68339
CWE-ID: CWE-667
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 locking within the fore200e_open() function in drivers/atm/fore200e.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/1b60f42a639999c37da7f1fbfa1ad29cf4cbdd2d
- https://git.kernel.org/stable/c/6610361458e7eb6502dd3182f586f91fcc218039
- https://git.kernel.org/stable/c/667ac868823224374f819500adc5baa2889c7bc5
- https://git.kernel.org/stable/c/82fca3d8a4a34667f01ec2351a607135249c9cff
- https://git.kernel.org/stable/c/9917ba597cf95f307778e495f71ff25a5064d167
- https://git.kernel.org/stable/c/bd1415efbab507b9b995918105eef953013449dd
- https://git.kernel.org/stable/c/ed34c70d88e2b8b9bc6c3ede88751186d6c6d5d1