If you're using anything but the latest software, you need to report this issue
to the people relesing the software.

This is the upstream bugtracker, which only deals in latest versions. 4.10 was
released 6+ months ago, and who knows what horrid things are in the Ubuntu
tree. Similarly, you should ensure you have the very latest mesa.

Lastly, you have provided no evidence of a page fault, just a WARN somewhere in
the code. (Which isn't great, but it's quite different.)

What	Removed	Added
Severity	critical	minor
Summary	there is an exploitable page fault that can be reliably triggered from the chromium sandbox can possibly lead to remote attackers causing a denial of service condition or possibly running system code.	WARN on nouveau_bo_move_ntfy when allocating new bo