Title should be changed to "League of Legends to use kernel driver to enforce anti-cheat." I thought the article had something to do with the device null.
Yeah, same. In fact the article seems to be talking specifically about a Windows-only game and "/dev/null" in the title doesn't appear to have any relation to the text.
> In all likelihood – unless these guys are uncharacteristically careful – it will stay there even when you are not playing and become an attack vector.
Might it be an attack vector even while the game is playing?