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THREAT OPSThreat News › Re: RefluXFS: LPE in the Linux kernel via XFS reflink race (CVE-2026-64600)

Re: RefluXFS: LPE in the Linux kernel via XFS reflink race (CVE-2026-64600)

medoss_secPublished 2026-08-03

<p>Posted by Marco Benatto on Aug 03</p>Sorry for the late reply,<br /> <br /> I haven&apos;t run any tests using an XFS filesystem exported via an NFS share,<br /> nor have I tested any layered filesystem running on top of XFS.<br /> I&apos;m presuming that if the filesystem running on top of XFS passes along the<br /> reflink feature, the exploit is still valid however the overhead<br /> introdu

Indicators of compromise

Original source: https://seclists.org/oss-sec/2026/q3/390