From: Jeff Dike <jdike@karaya.com>
To: Dan Aloni <karrde@callisto.yi.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>, mark@itsolve.co.uk
Subject: Re: [RFC] prevention of syscalls from writable segments, breaking bug exploits
Date: Wed, 03 Jan 2001 18:20:39 -0500 [thread overview]
Message-ID: <200101032320.SAA03593@ccure.karaya.com> (raw)
In-Reply-To: Your message of "Wed, 03 Jan 2001 23:13:31 +0200." <Pine.LNX.4.21.0101032259550.20246-100000@callisto.yi.org>
karrde@callisto.yi.org said:
> This preliminary, small patch prevents execution of system calls which
> were executed from a writable segment. It was tested and seems to
> work, without breaking anything. It also reports of such calls by
> using printk.
Have you tried running UML on this kernel?
Jeff
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next prev parent reply other threads:[~2001-01-03 22:11 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-03 21:13 [RFC] prevention of syscalls from writable segments, breaking bug exploits Dan Aloni
2001-01-03 21:36 ` Dan Aloni
2001-01-03 21:48 ` [RFC] prevention of syscalls from writable segments, breaking bugexploits Brian Gerst
2001-01-03 21:54 ` [RFC] prevention of syscalls from writable segments, breaking bug exploits Alexander Viro
2001-01-03 22:03 ` Dan Aloni
2001-01-03 22:13 ` Alexander Viro
2001-01-03 22:05 ` Steven Walter
2001-01-03 22:07 ` Dan Hollis
2001-01-03 22:10 ` Doug McNaught
2001-01-03 22:31 ` Alexander Viro
2001-01-03 22:39 ` Mark Zealey
2001-01-03 22:49 ` Alexander Viro
2001-01-03 22:55 ` Mark Zealey
2001-01-03 22:48 ` Dan Aloni
2001-01-03 23:02 ` Alexander Viro
2001-01-03 23:32 ` Dan Hollis
2001-01-03 23:48 ` Nicolas Noble
2001-01-03 23:54 ` Gerhard Mack
2001-01-03 23:57 ` Dan Hollis
2001-01-04 0:34 ` Gerhard Mack
2001-01-04 1:01 ` Dan Hollis
2001-01-04 7:09 ` Gerhard Mack
2001-01-03 23:34 ` Gerhard Mack
2001-01-04 1:51 ` Andi Kleen
2001-01-03 21:57 ` Erik Mouw
2001-01-03 22:12 ` Nicolas Noble
2001-01-03 22:30 ` Pavel Machek
2001-01-03 23:02 ` [RFC] prevention of syscalls from writable segments, breaking bug Alan Cox
2001-01-05 15:26 ` 2.2.19pre6 maestro3 driver requires ac97_codec (but doesn't claim so) Richard A Nelson
2001-01-03 23:20 ` Jeff Dike [this message]
2001-01-04 3:20 ` [RFC] prevention of syscalls from writable segments, breaking bug exploits David Huggins-Daines
2001-01-04 3:32 ` Andi Kleen
2001-01-04 3:41 ` David Huggins-Daines
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