#VU119312 Use-after-free in Linux kernel - CVE-2025-40280
Published: December 8, 2025
Vulnerability identifier: #VU119312
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-2025-40280
CWE-ID: CWE-416
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 a use-after-free error within the tipc_net_finalize_work() function in net/tipc/net.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/0725e6afb55128be21a2ca36e9674f573ccec173
- https://git.kernel.org/stable/c/499b5fa78d525c4450ebb76db83207db71efea77
- https://git.kernel.org/stable/c/51b8f0ab888f8aa5dfac954918864eeda8c12c19
- https://git.kernel.org/stable/c/5f541300b02ef8b2af34f6f7d41ce617f3571e88
- https://git.kernel.org/stable/c/b2e77c789c234e7fe49057d2ced8f32e2d2c7901
- https://git.kernel.org/stable/c/c92dbf85627b5c29e52d9c120a24e785801716df
- https://git.kernel.org/stable/c/f0104977fed25ebe001fd63dab2b6b7fefad3373
- https://git.kernel.org/stable/c/fdf7c4c9af4f246323ce854e84b6aec198d49f7e