#VU121396 NULL pointer dereference in Linux kernel - CVE-2025-68813
Published: January 14, 2026
Vulnerability identifier: #VU121396
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-2025-68813
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 __ip_vs_get_out_rt() function in net/netfilter/ipvs/ip_vs_xmit.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/25ab24df31f7af843c96a38e0781b9165216e1a8
- https://git.kernel.org/stable/c/4729ff0581fbb7ad098b6153b76b6f5aac94618a
- https://git.kernel.org/stable/c/689a627d14788ad772e0fa24c2e57a23dbc7ce90
- https://git.kernel.org/stable/c/ad891bb3d079a46a821bf2b8867854645191bab0
- https://git.kernel.org/stable/c/cdeff10851c37a002d87a035818ebd60fdb74447