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Date: Thu, 28 Feb 2013 00:33:00 +0100 (CET)
From: Jiri Kosina <>
Subject: Re: CVE request - Linux kernel: VFAT slab-based buffer

On Wed, 27 Feb 2013, Greg KH wrote:

> > Hmm, I wonder if perhaps the solution here isn't about spending a lot
> > of time analyzing hundreds of potentially serious bugs and notifying
> > the world about them all in an accurate way.  Perhaps the solution is
> > changing the development model or architecture of the kernel such that
> > there aren't so many bugs with *serious* impact in the first place.
> > 
> > Ooops... did I say that out loud?  
> There's nothing wrong with that, and we have made many changes in the
> kernel to help mitigate problems before they occur.
> If you know of any other ways that we can do this, please let us know.

- W^X
- not letting kernel dereference userspace pointers (and PMAP is not 
  available everywhere, unfortunately)

Jiri Kosina

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