Re: CVE-2016-10229 in 4.4.x series

From: Willy Tarreau
Date: Tue May 16 2017 - 01:20:18 EST


On Mon, May 15, 2017 at 06:09:53PM -0700, Steven Pease wrote:
> Hi,
>
> This is my first post - not currently subscribed so please CC me. :) I
> searched a bit for this question, but couldn't find an answer (Googled
> '2016-10229 site:lkml.org').
>
> Does CVE-2016-10229 affect the newest version of the 4.4.x kernel
> series (currently 4.4.68) and are there any plans to fix this in the
> 4.4 kernel series?

This one was fixed by upstream commit 197c949 ("udp: properly support
MSG_PEEK with truncated buffers"), which was backported in 4.4 as
commit dfe2042d96 in 4.4.21. So in short, 4.4.68 is safe.

Willy