CVE-2026-23139 | Linux Kernel up to 6.1.160/6.6.120/6.12.65/6.18.5 netfilter nf_conncount last_gc resource consumption (Nessus ID 299224)
A vulnerability identified as critical has been detected in Linux Kernel up to 6.1.160/6.6.120/6.12.65/6.18.5. This vulnerability affects the function nf_conncount of the component netfilter. The manipulation of the argument last_gc leads to resource consumption.
This vulnerability is traded as CVE-2026-23139. Access to the local network is required for this attack to succeed. There is no exploit available.
You should upgrade the affected component.