Messages in this thread | | | Date | Fri, 05 Apr 2013 11:17:37 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 3/3] x86: kernel base offset ASLR |
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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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