[prev in list] [next in list] [prev in thread] [next in thread]
List: oss-security
Subject: Re: [oss-security] CVE request: kernel: pipe_fcntl local DoS
From: Josh Bressers <bressers () redhat ! com>
Date: 2010-11-30 15:50:11
Message-ID: 105072328.846661291132211032.JavaMail.root () zmail01 ! collab ! prod ! int ! phx2 ! redhat ! com
[Download RAW message or body]
Please use CVE-2010-4256
Thanks.
--
JB
----- "Eugene Teo" <eugene@redhat.com> wrote:
> "Export 'get_pipe_info()' to other users
>
> And in particular, use it in 'pipe_fcntl()'.
>
> The other pipe functions do not need to use the 'careful' version,
> since
> they are only ever called for things that are already known to be
> pipes.
>
> The normal read/write/ioctl functions are called through the file
> operations structures, so if a file isn't a pipe, they'd never get
> called. But pipe_fcntl() is special, and called directly from the
> generic fcntl code, and needs to use the same careful function that
> the
> splice code is using."
>
> In other words, this is a pipe_fcntl local DoS.
>
> http://git.kernel.org/linus/71993e62a47dabddf10302807d6aa260455503f4
> http://git.kernel.org/linus/c66fb347946ebdd5b10908866ecc9fa05ee2cf3d
>
> Introduced in v2.6.35-rc1
>
> Thanks, Eugene
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic