Joanna Rutkowska blogs that this even circumvents the famed NSA Secured-Edition Linux sandboxing of Xorg.
Details all in here.
Biggest ramification is that this is not a bug, but a Xorg design feature!
Yep, you got that right.... we're in a world of hurt for at least 3 more years.
Vote for politician that preaches 'Fiscal responsibilities'
There are no games on this system.