Re: [PATCH v2] x86/mm/KASLR: EFI region is mistakenly included into KASLR VA space for randomization

From: Borislav Petkov
Date: Fri Mar 24 2017 - 05:36:50 EST


On Fri, Mar 24, 2017 at 10:24:34AM +0100, Ingo Molnar wrote:
> Preserving virtual addresses for kexec is a red herring: the randomized offset
> could be passed to the kexec-ed kernel just fine.

Not only that - kexec'ed kernel gets the addresses from sysfs so we can randomize.

--
Regards/Gruss,
Boris.

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