RefluXFS Vulnerability (CVE-2026-64600) Allows Local Privilege Escalation on Linux Systems

A vulnerability named RefluXFS (CVE-2026-64600) affects the XFS filesystem, allowing a local user to escalate privileges to root on systems running RHEL, CentOS, and AlmaLinux. The flaw specifically targets the XFS filesystem implementation, though no technical details on the exploit mechanism were provided. No disclosure date or patch release timeline was mentioned in the report. The impact is limited to local attackers with existing access to the affected systems. The vulnerability was documented in a security notice published by IT-Connect.