#VU120448 NULL pointer dereference in Linux kernel - CVE-2023-54094
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120448
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-2023-54094
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 skb_segment_list() function in net/core/skbuff.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/1731234e8b60063eae858c77b55c7a88f5084353
- https://git.kernel.org/stable/c/7a59f29961cf97b98b02acaadf5a0b1f8dde938c
- https://git.kernel.org/stable/c/bc3ab5d2ab69823f5cff89cf74ef78ffa0386c9a
- https://git.kernel.org/stable/c/c329b261afe71197d9da83c1f18eb45a7e97e089
- https://git.kernel.org/stable/c/ea438eed94ac0fe69b93ac034738823c0e989a12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.121