Date: Sat, 8 Sep 2001 17:19:40 -0500 From: D J Hawkey Jr <hawkeyd@visi.com> To: Alexander Langer <alex@big.endian.de> Cc: deepak@ai.net, freebsd-security@FreeBSD.ORG Subject: Re: Kernel-loadable Root Kits Message-ID: <20010908171940.B79354@sheol.localdomain> In-Reply-To: <20010908203935.B54535@fump.kawo2.rwth-aachen.de>; from alex@big.endian.de on Sat, Sep 08, 2001 at 08:39:35PM %2B0200 References: <200109081052.f88AqRG30016@sheol.localdomain> <20010908141700.A53738@fump.kawo2.rwth-aachen.de> <20010908072542.A57605@sheol.localdomain> <20010908143231.A53801@fump.kawo2.rwth-aachen.de> <20010908074445.A77252@sheol.localdomain> <20010908181537.A840@ringworld.oblivion.bg> <20010908102816.B77764@sheol.localdomain> <20010908183728.D840@ringworld.oblivion.bg> <20010908105308.A78138@sheol.localdomain> <20010908203935.B54535@fump.kawo2.rwth-aachen.de>
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On Sep 08, at 08:39 PM, Alexander Langer wrote: > > Thus spake D J Hawkey Jr (hawkeyd@visi.com): > > > Ah. Well then, as I wrote to Kris, the kernel has to deny KLD loading > > altogether, it should be a build-time option, and it should have nothing > > to over-ride this. > > Or am I still being too simplistic? I haven't been using KLD- or LKM- > > You'd have to remove the whole kld code then, including all > linker_file stuff. I have no idea as to the complexities of the task. I'll take your word for it. > And, given that, you can still use /dev/mem to manipulate the kernel. Perhaps it's too off-topic for this list, but I have no clue how one would; I don't know squat about /dev/mem. > Alex Dave -- Windows: "Where do you want to go today?" Linux: "Where do you want to go tomorrow?" FreeBSD: "Are you guys coming, or what?" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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