The most severe Linux threat to surface in years catches the world flatfooted CopyFail threatens multi-tenant servers, CI/CD work flows, Kubernetes containers, and more. https://arstechnica.com/security/2026/04/as-the-most-severe-linux-threat-in-years-surfaces-the-world-scrambles/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social