#VU117283 Buffer overflow in Linux kernel - CVE-2025-39985
Published: October 15, 2025
Vulnerability identifier: #VU117283
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2025-39985
CWE-ID: CWE-119
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 escalate privileges on the system.
The vulnerability exists due to memory corruption within the function in drivers/net/can/usb/mcba_usb.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/0fa9303c4b9493727e0d3a6ac3729300e3013930
- https://git.kernel.org/stable/c/17c8d794527f01def0d1c8b7dc2d7b8d34fed0e6
- https://git.kernel.org/stable/c/3664ae91b26d1fd7e4cee9cde17301361f4c89d5
- https://git.kernel.org/stable/c/37aed407496bf6de8910e588edb04d2435fa7011
- https://git.kernel.org/stable/c/6b9fb82df8868dbe9ffea5874b8d35f951faedbb
- https://git.kernel.org/stable/c/6eec67bfb25637f9b51e584cf59ddace59925bc8
- https://git.kernel.org/stable/c/b638c3fb0f163e69785ceddb3b434a9437878bec
- https://git.kernel.org/stable/c/ca4e51359608e1f29bf1f2c33c3ddf775b6b7ed1