🚨 CVE-2026-64600 — RefluxFS

Linux Kernel Local Privilege Escalation (LPE)

📖 Overview

CVE-2026-64600 ("RefluxFS") is a Linux kernel vulnerability affecting the RefluxFS filesystem implementation.

The flaw stems from improper validation of filesystem metadata, potentially leading to kernel memory corruption. Under the right conditions, a local attacker may exploit the vulnerability to achieve privilege escalation.

This repository is intended for educational purposes, defensive research, and vulnerability analysis.

✨ Highlights

• 🔥 Linux Kernel Vulnerability
• 🧠 Filesystem Memory Corruption
• ⚡ Local Privilege Escalation
• 🐧 Linux Environment
• 📚 Educational Research
• 🔬 Security Analysis

📊 Vulnerability Summary

📂 Repository Structure

.
├── README.md
├── LICENSE
├── docs/
│   ├── analysis.md
│   └── references.md
├── images/
│   └── banner.png
└── research/

🧩 Technical Summary

The vulnerability affects the handling of filesystem metadata within the Linux kernel's RefluxFS implementation.

Improper validation of crafted filesystem structures can result in kernel memory corruption, potentially allowing escalation of privileges by a local attacker.

🎯 Potential Impact

• Kernel memory corruption
• Local privilege escalation
• Root-level compromise
• Security boundary bypass
• System integrity impact

🛡️ Mitigation

• Update to a patched Linux kernel version.
• Avoid mounting untrusted filesystem images.
• Restrict filesystem mounting privileges for untrusted users.
• Apply vendor security advisories promptly.

📚 References

• Linux Security Advisories
• CVE Database
• Vendor Advisories
• Security Research Publications

⚠️ Disclaimer

This repository is provided strictly for educational, research, and defensive security purposes.

The authors assume no responsibility for misuse or damage resulting from the information provided.