CVE-2026-43084 | Linux Kernel up to 6.12.82/6.18.23/6.19.13 netfilter kfree_rcu use after free

SecurityVulns

A vulnerability identified as critical has been detected in Linux Kernel up to 6.12.82/6.18.23/6.19.13. This issue affects the function kfree_rcu of the component netfilter. This manipulation causes use after free.

This vulnerability is handled as CVE-2026-43084. The attack can only be done within the local network. There is not any exploit available.

You should upgrade the affected component.VulDB Recent EntriesRead More