Re: [Drbd-dev] [oss-security] CVE request: kernel: connector security bypass

[dann frazier <dannf () dannf org>]

On Fri, Mar 12, 2010 at 10:34:52AM +0100, Lars Ellenberg wrote:
> On Thu, Mar 11, 2010 at 03:18:08PM -0700, dann frazier wrote:
> > On Mon, Nov 02, 2009 at 11:37:21AM +0000, Mark J Cox wrote:
> > > On Mon, 2 Nov 2009, Eugene Teo wrote:
> > >
> > > > 1/ uvesafb/connector: Disallow unprivileged users to send netlink packets
> > > > upstream commit: cc44578b5a508889beb8ae3ccd4d2bbdf17bc86c
> > > > introduced in v2.6.24-rc1; fixed in v2.6.32-rc3
> > > >
> > > > 2/ pohmelfs/connector: Disallow unprivileged users to configure pohmelfs
> > > > upstream commit: 98a5783af02f4c9b87b676d7bbda6258045cfc76
> > > > (staging/experimental)
> > > >
> > > > 3/ dst/connector: Disallow unprivileged users to configure dst
> > > > upstream commit: 5788c56891cfb310e419c4f9ae20427851797431
> > > > (staging/experimental)
> > > >
> > > > 4/ dm/connector: Only process connector packages from privileged processes
> > > > upstream commit: 24836479a126e02be691e073c2b6cad7e7ab836a
> > > > introduced in v2.6.31-rc1; fixed in v2.6.32-rc3
> > >
> > > > References:
> > > > http://secunia.com/advisories/37113/
> > > > http://xorl.wordpress.com/2009/10/31/linux-kernel-multiple-capabilities-missing-checks/
> >
> > Debian provides an out-of-tree drbd module (drbd8), and it appears to
> > be affected by this issue as well. I assume we need to allocate an
> > additional CVE ID for it?
>
> Maybe just go to current upstream drbd 8.3.7?

Lars,
 Thanks for the suggestion. That is a possible solution for our next
release of Debian (as is moving to the in-tree version), but for our
current stable release we have backported "just-the-fix" as required
by our security update policy.

-- 
dann frazier