RefluXFS: a critical flaw in the Linux kernel since 2017

A major vulnerability allows a local user to take full control of a Linux machine.

Published 16sem2 sources✓ ConfirmedImportantupdated 9sem

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The fact

The flaw, in the XFS file system, can be exploited without privilege or trace.

It potentially affects millions of servers and workstations.

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Auto-synthesis from 2 media sources · identified on July 22, 2026