[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <28fa9c5e0812161810s6b7ec513lbe12cc540cc054f7@mail.gmail.com>
Date: Wed, 17 Dec 2008 10:10:28 +0800
From: "Eugene Teo" <eugeneteo@...nel.sg>
To: "Steven M. Christey" <coley@...us.mitre.org>
Cc: oss-security@...ts.openwall.com
Subject: Re: CVE request: kernel: applicom: fix an unchecked user ioctl range
On Wed, Dec 17, 2008 at 10:07 AM, Eugene Teo <eugeneteo@...nel.sg> wrote:
> On Wed, Dec 17, 2008 at 9:55 AM, Steven M. Christey
> <coley@...us.mitre.org> wrote:
>>
>> On Wed, 10 Dec 2008, Eugene Teo wrote:
>>
>>> Steve, can you please assign a CVE name. Thanks.
>>>
>>> http://bugzilla.kernel.org/show_bug.cgi?id=11408
>>> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a7be18d
>>
>> 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.
Eugene
Powered by blists - more mailing lists
Please check out the
Open Source Software Security Wiki, which is counterpart to this
mailing list.
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
