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Message-ID: <20100701050641.GA24773@lackof.org>
Date: Wed, 30 Jun 2010 23:06:41 -0600
From: dann frazier <dannf@...ian.org>
To: oss-security@...ts.openwall.com
Subject: Re: kernel: hvc_console: Fix race between hvc_close
and hvc_remove
On Sat, Apr 17, 2010 at 11:26:46PM -0400, Michael Gilbert wrote:
> On Sat, 17 Apr 2010 18:15:42 -0400 Michael Gilbert wrote:
>
> > On Thu, 04 Mar 2010 17:03:58 +0800 Eugene Teo wrote:
> >
> > > Heads-up. You might want to backport this if your kernel is affected. We
> > > are not requesting a CVE name for this as it does not affect any of our
> > > Red Hat supported kernels.
> >
> > are you sure about this? i see the vulnerable code upstream in both
> > 2.6.26 and 2.6.32. does redhat not ship hvc in their kernels? i think
> > this should get a cve id because the more vanilla distros will have
> > shipped with this included.
>
> i see that hvc_console is disabled by default in the debian kernels,
Actually, upon review, I see that it is enabled (see the powerpc64
image). Therefore, I'd like to request a CVE ID for it.
> and i assume it is the same for the redhat kernels.
>
> are issues in features that are disabled by default generally treated
> as unimportant? there are bound to be a (perhaps small) subset of users
> turning these features on; exposing themselves to more risk if these
> issues go unfixed. i suppose cve assignment depends on whether or not
> there is an expectation to protect those users in addition to
> defaults-using users.
>
> mike
>
--
dann frazier
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