Comment by gruez

>Mucking about in the kernel basically bypasses the entire security and stability model of the OS. And this is not theoretical, people have been rooted through buggy anticheats software, where the game sent malicious calls to the kernel, and hijacked to anti cheat to gain root access.

If you got RCE in the game itself, it's effectively game over for any data you have on the computer.

https://xkcd.com/1200/