SB2026011448 - NULL pointer dereference in Linux kernel netfilter ipvs
Published: January 14, 2026
Security Bulletin ID
SB2026011448
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2025-68813)
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 website.
References
- 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