In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: ensure names are nul-terminated Reject names that lack a \0 character before feeding them to functions that expect c-strings. Fixes tag is the most recent commit that needs this change.
Upstream advisory: https://lore.kernel.org/linux-cve-announce/2026050100-CVE-2026-43028-bbeb@gregkh/T