Re: [PATCH 0/4] USB over IP Secuurity fixes

From: Greg KH
Date: Fri Dec 08 2017 - 11:33:39 EST


On Fri, Dec 08, 2017 at 08:44:58AM -0700, Shuah Khan wrote:
> Hi Jakub,
>
> On 12/08/2017 08:14 AM, Secunia Research wrote:
> > Hi Shuah,
> >
> > Thanks a lot for the quick fixes.
>
> Thanks for finding them and doing all the leg work in
> pin pointing the issues.
>
> >
> > Please, use this email address: vuln@xxxxxxxxxxx
> >
> > We have assigned the following CVEs to the issues:
> > CVE-2017-16911 usbip: prevent vhci_hcd driver from leaking a socket pointer
> > address
> > CVE-2017-16912 usbip: fix stub_rx: get_pipe() to validate endpoint number
> > CVE-2017-16913 usbip: fix stub_rx: harden CMD_SUBMIT path to handle
> > malicious input
> > CVE-2017-16914 usbip: fix stub_send_ret_submit() vulnerability to null
> > transfer_buffer
> >
> > Please, let me know if we should proceed with a coordinated disclosure. I'm
> > not quite sure how many distros / downstreams actually use this
> > functionality.
>
> I believe so. We have to get these into mainline and propagate them into
> stables first which could take a couple of weeks.
>
> I will defer to Greg KH on this to comment and weigh in.

I've queued them all up and will send them to Linus in a few days.

As for "disclosure", well, you all are talking about this on a public
mailing list, so I think there's really not much else that needs to be
"disclosed" :)

thanks,

greg k-h