Re: [tip:x86/urgent] x86-64, modify_ldt: Ban 16-bit segments on 64-bit kernels

H. Peter Anvin
2014-04-11T18:20:35Z

On 04/11/2014 11:12 AM, Andy Lutomirski wrote:
>
> If this is what I think it is (hi, Spender), then it is probably only
> useful for 3.14.y and not earlier kernels.
>

Not really. The kernel stack address is sensitive regardless of kASLR;
in fact, it is completely orthogonal to kASLR.

-hpa