oss-security - Re: CVE request: kernel: connector security bypass

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Date: Mon, 2 Nov 2009 11:37:21 +0000 (GMT)
From: Mark J Cox <mjc@...hat.com>
To: oss-security@...ts.openwall.com
cc: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request: kernel: connector security bypass

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/

I'm going to give one name to all four issues.  (Allowed as they are all 
of flaw type 'missing capability checks', found by the same reporter, and 
fixed at the same time).

CVE-2009-3725

Mark

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