From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Jan Engelhardt <jengelh@computergmbh.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: NFS4 authentification / fsuid
Date: Thu, 30 Aug 2007 10:32:17 -0400 [thread overview]
Message-ID: <1188484337.6755.41.camel@heimdal.trondhjem.org> (raw)
In-Reply-To: <1188484155.6755.38.camel@heimdal.trondhjem.org>
On Thu, 2007-08-30 at 10:29 -0400, Trond Myklebust wrote:
> We've got people working on fixing this problem using David Howells'
> keyrings, but it will probably be a while until we've solved all the
> upcall issues, and it will probably take even longer to push the
> kerberos changes back to the official MIT etc distros.
BTW: even when this task is done, a creative root can still find ways to
subvert the security (he can read /dev/mem, replace the kernel with a
compromised one, ....). The bottom line is that if you can't trust root,
don't even log in.
Trond
next prev parent reply other threads:[~2007-08-30 14:32 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-30 14:12 Jan Engelhardt
2007-08-30 14:29 ` Trond Myklebust
2007-08-30 14:32 ` Trond Myklebust [this message]
2007-08-30 14:42 ` Jan Engelhardt
2007-08-30 15:04 ` Trond Myklebust
2007-08-30 21:44 ` J. Bruce Fields
2007-09-06 8:14 ` Satyam Sharma
2007-09-06 8:29 ` Satyam Sharma
2007-09-06 15:11 ` J. Bruce Fields
2007-09-06 23:21 ` Trond Myklebust
2007-09-06 23:32 ` Trond Myklebust
2007-09-07 15:34 ` J. Bruce Fields
2007-09-18 23:27 ` Satyam Sharma
2007-09-18 23:12 ` Satyam Sharma
2007-09-06 15:06 ` J. Bruce Fields
2007-09-06 23:30 ` Kyle Moffett
2007-09-06 23:35 ` Trond Myklebust
2007-09-07 0:56 ` Kyle Moffett
2007-09-07 5:14 ` Trond Myklebust
2007-09-07 5:47 ` Kyle Moffett
2007-09-07 6:37 ` Bernd Eckenfels
2007-09-18 23:48 ` Satyam Sharma
2007-09-18 23:44 ` Satyam Sharma
2007-09-19 5:16 ` Kyle Moffett
2007-09-19 12:16 ` Satyam Sharma
2007-09-19 13:49 ` Kyle Moffett
2007-09-19 14:12 ` Satyam Sharma
2007-09-19 15:01 ` J. Bruce Fields
2007-09-20 7:03 ` Satyam Sharma
2007-09-19 16:38 ` Valdis.Kletnieks
2007-09-20 7:15 ` Satyam Sharma
2007-08-30 15:12 ` J. Bruce Fields
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