CVE-2026-98321 | Linux Kernel up to 6.18.53/7.2.7/7.3-rc3 nf_nat nf_hook_entries_insert_raw memory leak

October 6, 2026 Yanac

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.18.53/7.2.7/7.3-rc3. This impacts the function nf_hook_entries_insert_raw of the component nf_nat. This manipulation causes memory leak.

This vulnerability is tracked as CVE-2026-98321. The attack is possible to be carried out remotely. No exploit exists.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More