linux-kernel - Re: [RFC] Dump interesting arch/platform info

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Message-ID: <20160203110052.GA20682@pd.tnic>
Date:	Wed, 3 Feb 2016 12:00:53 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	"Luck, Tony" <tony.luck@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andy Lutomirski <luto@...capital.net>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Brian Gerst <brgerst@...il.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] Dump interesting arch/platform info

On Wed, Feb 03, 2016 at 11:48:23AM +0100, Ingo Molnar wrote:
> Agreed. We used to have something like this but then removed it due to various 
> problems - but the concept itself is fine.
> 
> Note that these can be pretty security sensitive pieces of information, and can 
> also expose ASLR/KASLR details, so the VFS interface needs to be a strictly 
> root-only thing.

Oh sure, so the use case I have in mind is have this as a module,
modprobe it on a system, get the whole info and delete the module .ko
file again. As root.

-- 
Regards/Gruss,
    Boris.

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