Ubuntu
virtualbox package

  1. Bug #1574300
  2. Comment #12

Comment 12 for bug 1574300

Revision history for this message
Flavio Elawi (flavioelawi) wrote : Re: Could not load 'vboxdrv' after upgrade to Ubuntu 16.04

there is Bug #1461412 that stops this workaround process, and it is open since 2015-06-03.
That gives you a hint at how much canonical developers and community cares about systems security and LTS releases.