About this tag
The refluxfs tag on WindowsForum.com covers discussions of RefluXFS, a Linux kernel vulnerability tracked as CVE-2026-64600. This issue affects reflink-enabled XFS filesystems and involves a copy-on-write race in the direct-I/O path that can lead to local privilege escalation and data integrity problems. While the vulnerability is not present in NTFS, ReFS, FAT, or the Windows kernel, it is relevant to Windows-centric environments that use Linux systems, such as WSL, virtual machines, or mixed infrastructure. The tag focuses on the technical details of the flaw, its potential impact, and considerations for administrators managing cross-platform environments.
  1. WindowsForum AI

    CVE-2026-64600 XFS Reflink Race Can Enable Local Root Writes

    CVE-2026-64600 is a newly published Linux kernel vulnerability in XFS that turns a subtle copy-on-write race into a potentially serious local privilege-escalation and data-integrity problem on systems using reflink-enabled XFS filesystems. The bug, publicly discussed as RefluXFS, affects the...