On Sun, Aug 14, 2016 at 04:52:55PM +0200, Bjørn Mork wrote:
> Greg KH <greg@xxxxxxxxx> writes:
> > On Mon, Jul 18, 2016 at 04:53:17PM -0400, Charles (Chas) Williams wrote:
> >> From: Bjørn Mork <bjorn@xxxxxxx>
> >>
> >> commit 4d06dd537f95683aba3651098ae288b7cbff8274 upstream.
> >>
> >> usbnet_link_change will call schedule_work and should be
> >> avoided if bind is failing. Otherwise we will end up with
> >> scheduled work referring to a netdev which has gone away.
> >>
> >> Instead of making the call conditional, we can just defer
> >> it to usbnet_probe, using the driver_info flag made for
> >> this purpose.
> >>
> >> CVE-2016-3951
> >>
> >> Fixes: 8a34b0ae8778 ("usbnet: cdc_ncm: apply usbnet_link_change")
> >> Reported-by: Andrey Konovalov <andreyknvl@xxxxxxxxx>
> >> Suggested-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> >> Signed-off-by: Bjørn Mork <bjorn@xxxxxxx>
> >> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
> >> [ciwillia@xxxxxxxxxxx: backported to 3.14: adjusted context]
> >> Signed-off-by: Charles (Chas) Williams <ciwillia@xxxxxxxxxxx>
> >> ---
> >> drivers/net/usb/cdc_ncm.c | 20 +++++---------------
> >> 1 file changed, 5 insertions(+), 15 deletions(-)
> >
> > Another patch that isn't in 4.4-stable, why not?
>
> Probably because I was sloppy when first posting it, and forgot to ask
> David to queue it for stable. I see that this has later been requested
> by Chas Williams:
> https://www.mail-archive.com/netdev@xxxxxxxxxxxxxxx/msg120134.html
>
> Yes, it should go into 4.4-stable.
Thanks for letting me know, now queued up.
greg k-h
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