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Re: CVE request - Linux kernel: VFAT slab-based buffer overflow
From: Petr Matousek <pmatouse () redhat com>
Date: Wed, 27 Feb 2013 18:06:08 +0100

On Wed, Feb 27, 2013 at 08:15:47AM -0800, Greg KH wrote:
On Wed, Feb 27, 2013 at 07:08:58PM +0400, Solar Designer wrote:
On Wed, Feb 27, 2013 at 06:48:34AM -0800, Greg KH wrote:
On Wed, Feb 27, 2013 at 07:31:30AM +0100, Petr Matousek wrote:
For starters, security () kernel org submissions should be posted to
oss-security or any other security related public mailing list when the
patch is being committed.

That's not going to happen, and you know that, to do so would be totally
irresponsible of us and directly harm your users.

Huh?!  Maybe you misread what Petr wrote?  Note: "when the patch is
being committed".  At this point, the security issue is public, and it
just needs to be properly communicated to all those interested
(including distros, sysadmins, etc.), such as via oss-security.  Not
doing this favors those few who spend time to review commits on their
own; some of them do it for purposes other than informing the public.

We (the kernel team) well know this, and have been over this topic
numerous times in the past.  We have come to the conclusion that it is
not good for us to be publicly stating "here look, here's how you
exploit the kernel!" at the exact moment we commit the patch to the
public tree because suddenly you now have shown how all systems in the
world are exploitable, with no chance for anyone to have protected their
systems ahead of time.

Instead, we have no problem with groups like vendor-sec being notified
of these issues, and allowing them to push out updates, before _they_
notify the world of the problem.  And, for a long time, I thought
vendor-sec was being notified of all of the issues that
security () kernel org knew about, if this has suddenly changed, please let
me know and I will be glad to resolve it.

As stated in my previous comment, this is not happening.

-- 
Petr Matousek / Red Hat Security Response Team


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