RefluXFS Linux Kernel Vulnerability Lets Attackers Gain Root Access

A new Linux vulnerability dubbed “RefluXFS” — a race condition in the Linux kernel’s XFS filesystem copy-on-write path that lets an ordinary local user silently overwrite protected system files and seize host root privileges, even on systems running SELinux in Enforcing mode. The vulnerability tracked as CVE-2026-64600 uncovered by Qualys Threat Research Unit (TRU) exploits […]

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