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From: Krzysztof Halasa <khc@pm.waw.pl>
To: Rudolf Polzer <debian-ne@durchnull.de>
Cc: Horms <horms@verge.net.au>,
	linux-kernel@vger.kernel.org, 334113@bugs.debian.org,
	Alastair McKinstry <mckinstry@debian.org>,
	security@kernel.org, team@security.debian.org,
	secure-testing-team@lists.alioth.debian.org
Subject: Re: kernel allows loadkeys to be used by any user, allowing for local root compromise
Date: Thu, 20 Oct 2005 17:05:33 +0200	[thread overview]
Message-ID: <m3irvs9qki.fsf@defiant.localdomain> (raw)
In-Reply-To: <20051019231258.GA5035%atfield-dt@durchnull.de> (Rudolf Polzer's message of "Thu, 20 Oct 2005 01:12:58 +0200")

Rudolf Polzer <debian-ne@durchnull.de> writes:

> We use a PS/2 port, so without a reboot, this would not work. IIRC 2.6
> kernels
> with keyboard support compiled into the kernel cannot be forced to re-detect
> the keyboard when the line was interrupted (which is a big problem with
> old KVM
> switches).

Must have been a different problem, just tried and the keyboard works fine.

But of course one can connect the "dongle" before rebooting. Dead keyboard
can force reboot as well, can't it?

> Of course, with USB keyboards this approach would work.

Would be less trivial.
-- 
Krzysztof Halasa

  reply	other threads:[~2005-10-20 15:05 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <E1EQofT-0001WP-00@master.debian.org>
2005-10-18  4:41 ` kernel allows loadkeys to be used by any user, allowing for local root compromise Horms
2005-10-18  6:52   ` [Security] " Andrew Morton
2005-10-18  8:59     ` Horms
2005-10-18 14:42   ` Krzysztof Halasa
2005-10-18 17:16     ` Rudolf Polzer
2005-10-18 18:41       ` Krzysztof Halasa
2005-10-18 20:49         ` Rudolf Polzer
2005-10-19 11:18           ` Krzysztof Halasa
2005-10-19 13:23             ` Rudolf Polzer
2005-10-19 19:32               ` Krzysztof Halasa
2005-10-19 20:24                 ` Rudolf Polzer
2005-10-19 22:57                   ` Krzysztof Halasa
2005-10-19 23:12                     ` Rudolf Polzer
2005-10-20 15:05                       ` Krzysztof Halasa [this message]
2005-10-19  4:14     ` [Secure-testing-team] " Anthony DeRobertis
2005-10-19 11:00       ` Krzysztof Halasa
2005-10-20  2:42     ` Paul Jakma
2005-10-20 23:22       ` Bill Davidsen
2005-10-18 21:19   ` [Secure-testing-team] " Moritz Muehlenhoff

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