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

From: Shuah Khan
Date: Fri Dec 08 2017 - 10:45:09 EST


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.

thanks,
-- Shuah