CVE-2026-46086

In the Linux kernel, the following vulnerability has been resolved: net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by fdbdeletelocal, which updates f-dst to another port or to NULL while keeping the entry alive. Several bridge RCU readers...

CVE-2026-46086

The CVE-2026-46086 issue affects the Linux kernel’s bridge FDB code. Local FDB entries could be rewritten in place by fdb_delete_local(), changing f->dst to another port or NULL while entries remain alive. Several bridge RCU readers (e.g., br_fdb_fillbuf() via brforward_read()) may observe f-&...