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Message-ID: <1453309539.3734.52.camel@decadent.org.uk>
Date: Wed, 20 Jan 2016 17:05:39 +0000
From: Ben Hutchings <ben@...adent.org.uk>
To: kernel-hardening@...ts.openwall.com
Cc: linux-kernel@...r.kernel.org
Subject: Re: 2015 kernel CVEs
On Tue, 2016-01-19 at 09:54 -0800, Greg KH wrote:
> On Tue, Jan 19, 2016 at 04:32:08PM +0000, Ben Hutchings wrote:
> > As for USB descriptors, I'm somewhat more hopeful about hardening. At
> > the same time, it seems like it should be practical to put more low-
> > performance USB drivers into userspace.
>
> What drivers do we currently have in the kernel that should/could be
> done in userspace instead? I'll gladly drop them from the tree.
An obvious example would be HID drivers. (I'll grant you that putting
those in user-space would complicate the boot process when a disk
encryption passphrase is needed.)
Ben.
> And yes, we need to do better about handling crazy USB descriptors, I
> think the majority of this work is already done, but it takes
> hand-auditing to verify it :(
--
Ben Hutchings
The program is absolutely right; therefore, the computer must be wrong.
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