VulnerabilityBleeping Computer
9.0 — CRITICAL
New RefluXFS Linux flaw lets attackers gain root privileges
A nine-year-old race condition vulnerability in the Linux kernel's XFS filesystem, tracked as CVE-2026-64600, allows local attackers to overwrite protected files and gain root privileges. [...]
🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview
A previously unknown race condition vulnerability (CVE-2026-64600) in the Linux kernel's XFS filesystem allows local attackers to gain root privileges, potentially affecting over 16.4 million systems.
⚙️Technical Details
💥Impact Assessment
Severity: Critical
Who Is at Risk
Systems with affected Linux distributions, including RHEL, Oracle Linux, Amazon Linux, Fedora, CentOS Stream, Rocky Linux, AlmaLinux, and CloudLinux
🛡️Recommended Actions
1Immediately patch exposed systems with the latest kernel updates
2Enable SELinux or other security-enhanced features to block RefluXFS attacks
3Verify system integrity after rebooting and ensure reflink is disabled
📦Affected Products
Product Name:Linux kernelXFS filesystemAffected Software:Red Hat Enterprise Linux (RHEL)Oracle LinuxAmazon LinuxFedoraCentOS StreamRocky LinuxAlmaLinuxCloudLinux
🔐NVD Verified DataVERIFIED
Read the full article
This is a curated summary. The complete article is available at Bleeping Computer.