You should add this ppa sudo add-apt-repository ppa:canonical-kernel-team/pti and run: sudo apt-get dist-upgrade to install package linux - 4.4.0-109.132
You should add this ppa kernel- team/pti
sudo add-apt-repository ppa:canonical-
and run:
sudo apt-get dist-upgrade
to install package linux - 4.4.0-109.132