void VirtualKeyboardController::SetKeyboardEnabled(bool enabled) {
  keyboard::SetTouchKeyboardEnabled(enabled);
  if (enabled) {
    Shell::GetInstance()->CreateKeyboard();
  } else {
    if (!keyboard::IsKeyboardEnabled())
      Shell::GetInstance()->DeactivateKeyboard();
  }
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.