linux-kernel - Re: [PATCH v2 0/3] possible privilege escalation via SG

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Date:	Mon, 16 Jan 2012 09:54:07 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	dgilbert@...erlog.com
CC:	linux-kernel@...r.kernel.org, Petr Matousek <pmatouse@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-scsi@...r.kernel.org, Jens Axboe <axboe@...nel.dk>,
	James Bottomley <JBottomley@...allels.com>
Subject: Re: [PATCH v2 0/3] possible privilege escalation via SG_IO ioctl
 (CVE-2011-4127)

On 01/16/2012 02:04 AM, Douglas Gilbert wrote:
>>
>>
>> Tested on top of 3.2 + Linus's patch to sanitize ioctl return values.
>
> Is that a fixed version of patch at the end of this post:
> http://marc.info/?l=linux-kernel&m=132578310403616&w=2
> The fix being
>    s/ENOIOCTLCMD/-ENOIOCTLCMD/
> in is_unrecognized_ioctl() ?

Yes.  I cherry-picked it from Linus's tree.

> Also could you post "PATCH v2 3/3 ..." to this list as well so
> we have a complete set?

FWIW, 3/3 only touches LVM.

Paolo
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