Black & White Path

Jul 6, 2026 · Information Security

Analyzing the 19‑Year‑Old Linux Bonding Driver Type‑Confusion 0day (CVE‑2026‑43456)

A rare "veteran‑level" 0‑day (CVE‑2026‑43456) hidden in the Linux kernel bonding driver for 19 years allows local privilege escalation via a type‑confusion bug that requires CAP_NET_ADMIN, with a multi‑stage exploit chain, extensive impact assessment, and detailed mitigation and detection guidance.