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RefluXFS: A Nine-Year-Old Race Condition in Linux’s XFS Filesystem Opens a Silent Road to Root

23 July 2026  |  dark6  |  Vulnerability

Qualys researchers have disclosed RefluXFS (CVE-2026-64600), a race condition in the Linux kernel's XFS copy-on-write path that lets a local, unprivileged user seize root access while leaving no...

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Dirty Frag: New Linux Kernel Vulnerability Chains Two Flaws to Grant Root Privileges — Public PoC Released

8 May 2026  |  dark6  |  Vulnerability

A newly disclosed Linux kernel vulnerability dubbed Dirty Frag chains two page-cache write flaws to achieve full root access on virtually all major Linux distributions. A public PoC...

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