ThreatsCloud & SaaSBreakingLinux Kernel Fragnesia Flaw Weaponized for GKE Container Escapes via Socket Buffer Page-Cache OverwriteGoogle Cloud and Linux maintainers patch CVE-2026-46300 (Fragnesia), a critical ESP-in-TCP kernel bug enabling container breakout to GKE node root.Daniel Okafor·20 Sep 2026, 08:00 IST·15 min read