#VU119190 Improper locking in Linux kernel - CVE-2025-40231
Published: December 4, 2025
Vulnerability identifier: #VU119190
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-2025-40231
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 vsock_assign_transport() function in net/vmw_vsock/af_vsock.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/09bba278ccde25a14b6e5088a9e65a8717d0cccf
- https://git.kernel.org/stable/c/251caee792a21eb0b781aab91362b422c945e162
- https://git.kernel.org/stable/c/42ed0784d11adebf748711e503af0eb9f1e6d81d
- https://git.kernel.org/stable/c/a2a4346eea8b4cb75037dbcb20b98cb454324f80
- https://git.kernel.org/stable/c/b44182c116778feaa05da52a426aeb9da1878dcf
- https://git.kernel.org/stable/c/ce4f856c64f0bc30e29302a0ce41f4295ca391c5
- https://git.kernel.org/stable/c/f7c877e7535260cc7a21484c994e8ce7e8cb6780