linux-kernel - Re: New Security Features, Please Comment

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Message-ID: <20081203230820.4473a162@lxorguk.ukuu.org.uk>
Date:	Wed, 3 Dec 2008 23:08:20 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Geoffrey McRae <geoff@...idhost.com>
Cc:	Nick Andrew <nick@...k-andrew.net>, linux-kernel@...r.kernel.org
Subject: Re: New Security Features, Please Comment

> The children are pre-forked, so the overhead is in the setup... then
> when the app recieves a request, it sets the child's uid to the uid of
> the website, and then passes the request to the child, which, now, the
> child is running as the website owner.

But the child process may already have been trojanned by a previous user
so it gains you nothing.

> It is more secure then just doing nothing.

I'm not convinced. Not remotely.

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