Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 20 Jan 2002 23:45:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 20 Jan 2002 23:45:40 -0500 Received: from pl100.nas921.ichikawa.nttpc.ne.jp ([210.165.234.100]:24616 "EHLO mbr.sphere.ne.jp") by vger.kernel.org with ESMTP id ; Sun, 20 Jan 2002 23:45:26 -0500 Date: Mon, 21 Jan 2002 13:45:16 +0900 From: Bruce Harada To: Andreas Ferber Cc: linux-kernel@vger.kernel.org Subject: Re: Hardwired drivers are going away? Message-Id: <20020121134516.503c40cd.bruce@ask.ne.jp> In-Reply-To: <20020121044952.A21348@devcon.net> In-Reply-To: <14160.1011396163@ocs3.intra.ocs.com.au> <20020121002041.B1958@idefix.fvdpol.home.nl> <20020121095458.2bd9c7ed.bruce@ask.ne.jp> <20020121044952.A21348@devcon.net> X-Mailer: Sylpheed version 0.7.0 (GTK+ 1.2.6; i686-pc-linux-gnu) X-Face: $qrUU,Lz=B[A}i%m2Rg^Ik;~V@]$Ay)$S`wUf3:^aZ1UdLf,_;1y7_xbEh=Yv*wB0=Fv]a1hj14_qQsl[f1KX]q4IdhwmSIeP6>Ap@[e$c$G;;ObLI7?YXsq*)M'3Jp wrote: > On Mon, Jan 21, 2002 at 09:54:58AM +0900, Bruce Harada wrote: > > > > ...and how would you guarantee that this setting remains set, in the face > > of some nasty little cracker screwing around with /dev/kmem? > > If the attacker gained the ability to play with /dev/kmem, he can > already load modules into the kernel, regardless if the kernel is > actually compiled with module support or not. You can find various > papers describing how to do it via google, and AFAIK some rootkits are > already using those techniques, so it's even "scriptkiddy-ready". Er... that was exactly what I meant - perhaps you meant to reply to the parent post? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/