From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Re: Local root exploit with kmod and modutils > 2.1.121
Date: 16 Nov 2000 14:18:34 -0800 [thread overview]
Message-ID: <8v1mfq$oi3$1@cesium.transmeta.com> (raw)
In-Reply-To: <20001116222152.E8326@nomade> <5529.974412016@ocs3.ocs-net>
Followup to: <5529.974412016@ocs3.ocs-net>
By author: Keith Owens <kaos@ocs.com.au>
In newsgroup: linux.dev.kernel
>
> On Thu, 16 Nov 2000 22:21:52 +0100,
> Xavier Bestel <xavier.bestel@free.fr> wrote:
> >as modprobe (insmod) args parsing seems POSIX compliant, we should put a
> >"--" before
> >what should be interpreted only as a textual argument, not as an option.
> >This is a lot safer: whatever is passed, modprobe will take it as a module
> >name.
>
> That only solves one of the two exploit methods. modutils 2.3.20
> solves both without any kernel changes, mainly so it fixes the problem
> on all kernels, including 2.2.
>
However, the kernel change is probably still a good idea.
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt
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next prev parent reply other threads:[~2000-11-16 22:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-16 21:21 [PATCH] Re: Local root exploit with kmod and modutils > 2.1.121 Xavier Bestel
2000-11-16 22:00 ` Keith Owens
2000-11-16 22:18 ` H. Peter Anvin [this message]
-- strict thread matches above, loose matches on Subject: below --
2000-11-16 18:56 kuznet
2000-11-16 19:08 ` [PATCH] " Xavier Bestel
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