From: Peter Jones <pmjones@gmail.com>
To: Kai Makisara <kai.makisara@kolumbus.fi>
Cc: Linus Torvalds <torvalds@osdl.org>,
Jeff Garzik <jgarzik@pobox.com>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: SG_IO and security
Date: Fri, 13 Aug 2004 15:25:30 -0400 [thread overview]
Message-ID: <9ac707cb040813122522d4a71@mail.gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0408122216300.4586@kai.makisara.local>
On Thu, 12 Aug 2004 22:22:36 +0300 (EEST), Kai Makisara
<kai.makisara@kolumbus.fi> wrote:
> On Thu, 12 Aug 2004, Linus Torvalds wrote:
> > Let's see now:
> >
> > brw-rw---- 1 root disk 3, 0 Jan 30 2003 /dev/hda
> >
> > would you put people you don't trust with your disk in the "disk" group?
> >
> This protects disks in practice but SG_IO is currently supported by other
> devices, at least SCSI tapes. It is reasonable in some organizations to
> give r/w access to ordinary users so that they can read/write tapes. I
> would be worried if this would enable the users, for instance, to mess up
> the mode page contents of the drive or change the firmware.
Sure, but for that we need command based filtering.
This is at least a step in the right direction.
next prev parent reply other threads:[~2004-08-13 19:28 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-12 12:17 SG_IO and security Alan Cox
2004-08-12 16:39 ` Linus Torvalds
2004-08-12 16:45 ` Linus Torvalds
2004-08-12 16:55 ` Jeff Garzik
2004-08-12 17:01 ` Jeff Garzik
2004-08-12 17:02 ` Linus Torvalds
2004-08-12 17:13 ` Jeff Garzik
2004-08-12 19:22 ` Kai Makisara
2004-08-13 19:25 ` Peter Jones [this message]
2004-08-13 19:37 ` Jeff Garzik
2004-08-14 7:22 ` Kai Makisara
2004-08-14 15:33 ` Alan Cox
2004-08-16 22:24 ` Bill Davidsen
2004-08-16 22:00 ` Bill Davidsen
2004-08-12 17:06 ` Arjan van de Ven
2004-08-12 17:35 ` Jens Axboe
2004-08-12 18:29 ` Jens Axboe
2004-08-12 18:37 ` Jeff Garzik
2004-08-12 18:43 ` Jens Axboe
2004-08-12 18:45 ` Christoph Hellwig
2004-08-12 18:48 ` Jens Axboe
2004-08-12 20:19 ` Alan Cox
2004-08-12 20:16 ` Alan Cox
2004-08-12 22:51 ` Eric Lammerts
2004-08-13 0:09 ` Linus Torvalds
2004-08-13 6:59 ` Jens Axboe
2004-08-13 7:22 ` viro
2004-08-13 7:43 ` Arjan van de Ven
2004-08-13 7:46 ` Jens Axboe
2004-08-13 19:18 ` Jeff Garzik
2004-08-13 19:37 ` Linus Torvalds
2004-08-13 19:44 ` Jeff Garzik
2004-08-13 19:49 ` Florian Weimer
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