Kernel security check

Kernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security checkKernel security check