Well, technically, yes.
It's still gonna be hell, though, unless you use a userland non-memory-corruption-based exploit.
Jon Oberheide and Dan Rosenberg did a great paper on a technique they call "stackjacking" that can get you root on quite a few grsecurity kernels.
http://jon.oberheide.org/blog/2011/04/20...ax-bypass/
Good luck, you're gonna need it, and may the source be with you.
It's still gonna be hell, though, unless you use a userland non-memory-corruption-based exploit.
Jon Oberheide and Dan Rosenberg did a great paper on a technique they call "stackjacking" that can get you root on quite a few grsecurity kernels.
http://jon.oberheide.org/blog/2011/04/20...ax-bypass/
Good luck, you're gonna need it, and may the source be with you.