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From: Greg KH <greg@kroah.com>
To: Richard Henderson <rth@redhat.com>
Cc: Andrew Morton <akpm@osdl.org>,
	Ashutosh Naik <ashutosh.naik@gmail.com>,
	anandhkrishnan@yahoo.com, linux-kernel@vger.kernel.org,
	rusty@rustcorp.com.au
Subject: Re: [RFC][PATCH] Prevent overriding of Symbols in the Kernel, avoiding Undefined behaviour
Date: Mon, 12 Dec 2005 12:20:20 -0800	[thread overview]
Message-ID: <20051212202019.GA28131@kroah.com> (raw)
In-Reply-To: <20051212192746.GE19245@redhat.com>

On Mon, Dec 12, 2005 at 11:27:46AM -0800, Richard Henderson wrote:
> On Mon, Dec 12, 2005 at 11:13:22AM -0800, Andrew Morton wrote:
> > Do we really need to do this at runtime?
> 
> Probably.  One could consider this a security hole...

Huh?  You are root and loading a kernel module.  You can do much worse
things at this point in time than messing around with existing symbols
:)

I think it should be a build-time thing if possible.

thanks,

greg k-h

  reply	other threads:[~2005-12-12 20:21 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-12 12:39 [RFC][PATCH] Prevent overriding of Symbols in the Kernel, avoiding Undefined behaviour Ashutosh Naik
2005-12-12 12:44 ` Ashutosh Naik
2005-12-12 22:25   ` Jesper Juhl
2005-12-13  8:23     ` Anand H. Krishnan
2005-12-12 19:13 ` Andrew Morton
2005-12-12 19:27   ` Richard Henderson
2005-12-12 20:20     ` Greg KH [this message]
2005-12-12 20:30       ` Jesper Juhl
2005-12-12 22:48   ` Alan Cox
2005-12-13  8:03     ` Arjan van de Ven
2005-12-13 14:32     ` Ashutosh Naik
2005-12-12 22:01 ` Rusty Russell
2005-12-13 14:26   ` Ashutosh Naik
2005-12-13 15:28     ` Ashutosh Naik
2005-12-13 16:49     ` [RFC][PATCH] " Jesper Juhl
2005-12-14  2:03       ` Rusty Russell
2005-12-14  4:10         ` Ashutosh Naik
2005-12-14  5:02           ` Ashutosh Naik
2005-12-15  4:40             ` Andrew Morton
2005-12-15  5:15               ` Rusty Russell
2005-12-15  5:45                 ` Ashutosh Naik
2005-12-14  5:46         ` Ashutosh Naik
2005-12-14 23:02           ` Rusty Russell

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