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Date: Thu, 11 Mar 2010 15:18:08 -0700
From: dann frazier <dannf@...nf.org>
To: "Steven M. Christey" <coley@...us.mitre.org>
Cc: oss-security@...ts.openwall.com, drbd-dev@...ts.linbit.com
Subject: Re: CVE request: kernel: connector security bypass
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?
Here's a link to the upstream fix:
http://git.drbd.org/?p=drbd-8.3.git;a=commitdiff;h=71915b0d267392c77fe0ae2309535333026cef66
The in-tree version that got merged for 2.6.33 looks fine.
--
dann frazier
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