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SubjectRe: [PATCH 3/3] x86: kernel base offset ASLR
On 04/05/2013 01:04 AM, Ingo Molnar wrote:
>
> The cost of 64-bit RIPs is probably measurable both in cache footprint and
> in execution speed.
>

Well, "probably" usually translates to "worth measuring" to me.

> Random runtime shuffling of the kernel image - is that possible with
> existing toolchains?

I wanted to point out... yes this is hard, but it has the ability to be
*much* stronger than any other form of KASLR simply because it means
that a single infoleak doesn't give everything else away.

-hpa




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