RefluXFS CVE-2026-64600: XFS Root Privilege Escalation Hits 16.4M Systems Vulnerability Report RefluXFS CVE-2026-64600: XFS Root Privilege Escalation Hits 16.4M Systems 0fjno July 22, 2026 0 TL;DR Qualys disclosed RefluXFS on July 22, 2026. Tracked as CVE-2026-64600, it is a Linux kernel XFS... Read More Read more about RefluXFS CVE-2026-64600: XFS Root Privilege Escalation Hits 16.4M Systems