#VU108300 NULL pointer dereference in Linux kernel - CVE-2025-23143
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108300
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-2025-23143
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 sock_lock_init() and sk_prot_free() functions in net/core/sock.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/0bb2f7a1ad1f11d861f58e5ee5051c8974ff9569
- https://git.kernel.org/stable/c/2155802d3313d7b8365935c6b8d6edc0ddd7eb94
- https://git.kernel.org/stable/c/5f7f6abd92b6c8dc8f19625ef93c3a18549ede04
- https://git.kernel.org/stable/c/c11247a21aab4b50a23c8b696727d7483de2f1e1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.12