Messages in this thread | | | Date | Fri, 27 May 2011 23:51:23 +0200 | From | Olivier Galibert <> | Subject | Re: [RFC][PATCH] Randomize kernel base address on boot |
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On Fri, May 27, 2011 at 08:17:24PM +0200, Ingo Molnar wrote: > - A root exploit will still not give away the location of the > kernel (assuming module loading has been disabled after bootup), > so a rootkit cannot be installed 'silently' on the system, into > RAM only, evading most offline-storage-checking tools. > > With static linking this is not possible: reading the kernel image > as root trivially exposes the kernel's location.
There's something I don't get there. If you managed to escalate your priviledges enough that you have physical ram access, there's a billion things you can do to find the kernel, including vector tracing, pattern matching, looking at the page tables, etc.
What am I missing?
OG.
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