From: Arjan van de Ven <arjan@infradead.org>
To: Ben Ford <ben@kalifornia.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Who wants to test cracklinux??
Date: Mon, 03 Apr 2006 00:39:41 +0200 [thread overview]
Message-ID: <1144017581.3066.34.camel@testmachine> (raw)
In-Reply-To: <44305193.5080408@kalifornia.com>
On Sun, 2006-04-02 at 15:34 -0700, Ben Ford wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Pavel Machek wrote:
> > Hi!
> >> I've written a small kernel module & shared object for kernel 2.6 to
> >> enable the following for normal users:
> >>
> >> - inb()/outb()... via a wrapper function
> > ioperm() does that already, no? You mean, you enable it for non-root,
> > too? That's security hole.
>
> My OS development classes have a lab of machines that run entirely as
> root just for these reasons. I think it's valid to allow these
> operations as non-root in certain situations. It is better than
> running *everything* as root, no?
is there any difference? I mean... if you can outb you for all intents
and purposes are root anyway ;) (like you can overwrite any memory in
the system etc etc)
next prev parent reply other threads:[~2006-04-02 22:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-28 20:12 Who wants to test cracklinux?? Marko
2006-03-28 22:01 ` Sam Ravnborg
2006-03-28 22:49 ` Pavel Machek
2006-03-28 23:49 ` Måns Rullgård
2006-03-29 12:02 ` Jan Engelhardt
2006-03-29 12:32 ` Marko Euth
2006-04-02 22:34 ` Ben Ford
2006-04-02 22:39 ` Arjan van de Ven [this message]
2006-04-02 23:07 ` Marko Euth
2006-04-02 23:16 ` Alan Cox
2006-04-03 9:11 ` Jan Engelhardt
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