Linux Kernel USB Type-C Class NULL Pointer Dereference — CVE-2025-37809

Linux Kernel USB Type-C Class NULL Pointer Dereference — CVE-2025-37809

📄 Info:
- CVE ID: CVE-2025-37809
- Affected system: Linux Kernel (usb: typec: class)
- Published: May 8, 2025
- Found by: Linux Kernel Maintainers

🚀 Exploit Type:
- Kernel NULL Pointer Dereference
- Potential Denial of Service (DoS)

📜 Exploit Code (Concept Only):

// Conceptual PoC:

// Concurrent calls to typec_partner_unlink_device can lead to a NULL pointer dereference.

// This may cause a kernel crash on vulnerable systems.

📝 Usage:
- Step 1: Identify systems running affected Linux kernel versions with Type-C support.
- Step 2: Trigger concurrent calls to typec_partner_unlink_device.
- Step 3: Observe kernel crash or system instability.

🔎 Reference:
- SecAlerts - CVE-2025-37809

⚠️ Disclaimer:
Author (NyxCode) is not responsible for any misuse.
This information is for educational & authorized security testing only.