Linux cryptographic code flaw offers fast route to root

This feed collects multiple high-impact security stories: a Linux cryptographic logic flaw enabling a fast local privilege escalation is being patched by major distributions; Microsoft and CISA warn of an actively exploited zero‑click Windows vulnerability; CISA flags a data‑theft bug in the NSA’s GrassMarlin OT networking tool; Wiz disclosed a high‑severity GitHub infrastructure flaw allowing remote access to private repos; a previously unknown Firestarter backdoor was removed from a U.S. federal network; and an ongoing supply‑chain campaign is targeting security/dev tools (including a Checkm