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Date: Wed, 19 Mar 2003 16:28:36 +0100
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andrus <andrus@members.ee>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Kernels 2.2 and 2.4 exploit (ALL VERSION WHAT I HAVE TESTED UNTILL NOW!)
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References: <000001c2ee1f$02da6820$0100a8c0@andrus> <1048087625.30750.34.camel@irongate.swansea.linux.org.uk> <20030319145537.GB25934@h55p111.delphi.afb.lu.se> <1048090385.30750.41.camel@irongate.swansea.linux.org.uk>
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From: Anders Gustafsson <andersg@0x63.nu>
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On Wed, Mar 19, 2003 at 04:13:05PM +0000, Alan Cox wrote:
> On Wed, 2003-03-19 at 14:55, Anders Gustafsson wrote:
> > If access can't be shut down while compiling the new kernel 
> > 
> > echo /foo/bar/doesnotexist >/proc/sys/kernel/modprobe
> > 
> > would help, wouldn't it?
> 
> Against the default exploit circulating yes, in the general
> case we don't believe so.

Ah, there might be other stuff than modprobe that execs out of a
kernelthread. But to exploit the kernelthread must execve so there is a
userspaceprocess to ptrace, right?

-- 
Anders Gustafsson - andersg@0x63.nu - http://0x63.nu/
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