#VU117284 Buffer overflow in Linux kernel - CVE-2025-39986
Published: October 15, 2025
Vulnerability identifier: #VU117284
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-2025-39986
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/sun4i_can.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/063539db42203b29d5aa2adf0cae3d68c646a6b6
- https://git.kernel.org/stable/c/2e423e1990f3972cbea779883fef52c2f2acb858
- https://git.kernel.org/stable/c/4f382cc887adca8478b9d3e6b81aa6698a95fff4
- https://git.kernel.org/stable/c/60463a1c138900494cb3adae41142a11cd8feb3c
- https://git.kernel.org/stable/c/61da0bd4102c459823fbe6b8b43b01fb6ace4a22
- https://git.kernel.org/stable/c/7f7b21026a6febdb749f6f6f950427245aa86cce
- https://git.kernel.org/stable/c/a61ff7ac93270d20ca426c027d6d01c8ac8e904c
- https://git.kernel.org/stable/c/de77841652e57afbc46e9e1dbf51ee364fc008e1