linux-kernel - Re: [BUG] perf: bogus correlation of kernel symbols

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Message-ID: <alpine.DEB.2.02.1105212308510.8167@asgard.lang.hm>
Date:	Sat, 21 May 2011 23:11:06 -0700 (PDT)
From:	david@...g.hm
To:	Linus Torvalds <torvalds@...ux-foundation.org>
cc:	Dan Rosenberg <drosenberg@...curity.com>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	davej@...hat.com, kees.cook@...onical.com, davem@...emloft.net,
	eranian@...gle.com, adobriyan@...il.com, penberg@...nel.org
Subject: Re: [BUG] perf: bogus correlation of kernel symbols

On Fri, 20 May 2011, Linus Torvalds wrote:

> Sure, it will likely leave some hints around (oopses etc), but still..
>

as an admin running a large site, I'd love to have evidence around that 
strange things were happening, especially prior to the exploit running.

no, I probably can't take manual action fast enough to prevent the initial 
exploit, but I can alarm on the failed attacks and potentially react fast 
enough to prevent the attacker from going further into my network.

David Lang
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