On Tue, Oct 25, 2016 at 12:48 AM, Valentin B <[log in to unmask]> wrote:
> Hi Akemi,
>
> The fix allows me to run the cow vulnerability but it blocks which is good.
>
> See the following:
>
> DirtyCow root privilege escalation
> Backing up /usr/bin/passwd to /tmp/bak
> Size of binary: 27832
> Racing, this may take a while..
> thread stopped
> thread stopped
(snip)
> So my question is, what has been exactly patched to the recently upstream
> kernel.

Thanks for the detailed note.

Because the source code is available, I did a diff between kernels
3.10.0-327.36.2.el7 and 3.10.0-327.36.3.el7 and am attaching it for
anyone to see.

Akemi