SB20251015131 - Buffer overflow in Linux kernel can usb driver
Published: October 15, 2025
Security Bulletin ID
SB20251015131
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 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2025-39985)
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 website.
References
- 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