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Date: Wed, 17 Dec 2008 10:10:28 +0800
From: "Eugene Teo" <>
To: "Steven M. Christey" <>
Subject: Re: CVE request: kernel: applicom: fix an unchecked user ioctl range

On Wed, Dec 17, 2008 at 10:07 AM, Eugene Teo <> wrote:
> On Wed, Dec 17, 2008 at 9:55 AM, Steven M. Christey
> <> wrote:
>> On Wed, 10 Dec 2008, Eugene Teo wrote:
>>> Steve, can you please assign a CVE name. Thanks.
>> Can the affected IOCTL be accessed by malicious attackers?  If it's
>> protected in some sense, maybe it doesn't cross privilege boundaries.
>> Although Linus does mention an "unchecked user ioctl range."
> ac_ioctl() does not restrict access to only privileged users, and
> IndexCard is user-controllable.

Hmm, there's a comment in the ac_ioctl() that the device for this is
only accessible by root, so if out of range may not matter. Hmm. So,
maybe, maybe not.


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