#VU120379 Use-after-free in Linux kernel - CVE-2023-54142
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120379
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-2023-54142
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 __gtp_encap_destroy() function in drivers/net/gtp.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/17d6b6354f0025b7c10a56da783fd0cbb3819c5d
- https://git.kernel.org/stable/c/58fa341327fdb4bdf92597fd8796a9abc8d20ea3
- https://git.kernel.org/stable/c/9c9662e2512b5e4ee7b03108802c5222e0fa77a4
- https://git.kernel.org/stable/c/bccc7ace12e69dee4684a3bb4b69737972e570d6
- https://git.kernel.org/stable/c/ce3aee7114c575fab32a5e9e939d4bbb3dcca79f
- https://git.kernel.org/stable/c/d38039697184aacff1cf576e14ef583112fdefef
- https://git.kernel.org/stable/c/dae6095bdb24f537b4798ffd9201515b97bac94e
- https://git.kernel.org/stable/c/e5aa6d829831a55a693dbaeb58f8d22ba7f2b3e6
- https://git.kernel.org/stable/c/ebd6d2077a083329110695a996c00e8ca94bc640
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.121