#VU115789 NULL pointer dereference in Linux kernel - CVE-2023-53354
Published: September 18, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115789
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-2023-53354
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() 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/04c3eee4e13f60bf6f9a366ad39f88a01a57166e
- https://git.kernel.org/stable/c/2ea35288c83b3d501a88bc17f2df8f176b5cc96f
- https://git.kernel.org/stable/c/6c26ed3c6abe86ddab0510529000b970b05c9b40
- https://git.kernel.org/stable/c/8836c266201c29a5acb4f582227686f47b65ad61
- https://git.kernel.org/stable/c/d44403ec0676317b7f7edf2a035bb219fee3304e
- https://git.kernel.org/stable/c/d5790386595d06ea9decfd9ba5f1ea48cf09aa02
- https://git.kernel.org/stable/c/f99006e840a4dbc8f5a34cecc6b5b26c73ef49bb
- https://git.kernel.org/stable/c/fcab3f661dbfd88e27ddbbe65368f3fa2d823175
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.295