CVE-2026-23231 | Linux Kernel up to 6.19.3 netfilter nf_tables_addchain use after free (Nessus ID 301036 / WID-SEC-2026-0614)
A vulnerability marked as critical has been reported in Linux Kernel up to 6.1.164/6.6.127/6.12.74/6.18.13/6.19.3. This impacts the function nf_tables_addchain of the component netfilter. This manipulation causes use after free.
The identification of this vulnerability is CVE-2026-23231. The attack needs to be done within the local network. There is no exploit available.
It is suggested to upgrade the affected component.