Linux Kernel xHCI Driver Invalid Pointer Dereference

Linux Kernel xHCI Driver Invalid Pointer Dereference — CVE-2025-37813

📄 Info:
- CVE ID: CVE-2025-37813
- Affected System: Linux Kernel (usb: xhci)
- Published: May 8, 2025
- Found by: Linux Kernel Maintainers

🚀 Exploit Type:
- Kernel Invalid 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 xHCI support.
- Step 2: Trigger concurrent calls to typec_partner_unlink_device.
- Step 3: Observe kernel crash or system instability.

🔎 Reference:
- NVD - CVE-2025-37813

⚠️ Disclaimer:
Author (Nyx6st) is not responsible for any misuse.
This information is for educational & authorized security testing only.

📌 Catatan: Bug ini terjadi karena pointer enqueue + 1 bisa menunjuk ke lokasi yang tidak valid, menyebabkan kernel crash. Masalah ini dapat dipicu sekitar 0.4% dari waktu saat fungsi dipanggil.

Linux Kernel xHCI Driver Invalid Pointer Dereference — CVE-2025-37813