Add kernel_modules method

lib/msf/core/post/linux/kernel.rb

@@ -18,6 +18,17 @@ module Kernel
     raise 'Could not determine kernel version'
   end
 
+  #
+  # Returns the kernel modules
+  #
+  # @return [String]
+  #
+  def kernel_modules
+    cmd_exec('cat /proc/modules').to_s
+  rescue
+    raise 'Could not determine kernel modules'
+  end
+
   #
   # Returns true if kernel and hardware supports Supervisor Mode Access Prevention (SMAP), false if not.
   #