#VU120479 NULL pointer dereference in Linux kernel - CVE-2023-54004
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120479
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-54004
CWE-ID: CWE-476
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 perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the function in net/ipv6/udplite.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/2a112f04629f7839e7cb509b27b8d3b735afe255
- https://git.kernel.org/stable/c/387bd0a3af3bdd2b16f8dbef0c9fcccac63000a4
- https://git.kernel.org/stable/c/5014b64e369bdf997935b132a1ac4d64b6e47ad4
- https://git.kernel.org/stable/c/7e3ae83371a4809da6fa3f10ccc430eecef3034a
- https://git.kernel.org/stable/c/ad42a35bdfc6d3c0fc4cb4027d7b2757ce665665
- https://git.kernel.org/stable/c/cc56de054d828935aa37734b479f82fa34b5f9bd
- https://git.kernel.org/stable/c/f04c8eaf45e7dcdfccba936506b1ec592a369fb9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.5