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Date: Mon, 13 Nov 2017 20:38:59 +0100
From: Kristian Fiskerstrand <>
To:, Solar Designer <>
Subject: Re: (linux-)distros list use statistics

On 11/13/2017 08:33 PM, Solar Designer wrote:
> On Mon, Nov 13, 2017 at 08:13:05PM +0100, Kristian Fiskerstrand wrote:
>> As far as I'm aware I haven't gotten access to edit the wiki page for
>> publishing it.
> Please feel free to create a page like:
> You don't need any special access for that.

Ah, will look into that soon then.

>> The wikified stats based on the generated DocuWiki output is available
>> in very basic style at the testing instance:
> Thank you, Kristian!
> This lists two very long embargo periods for two Linux kernel issues: 96
> days for CVE-2017-7533 and 28 days for CVE-2017-1000255.  While this is
> useful info, it does not reflect (linux-)distros' lists performance as
> it includes embargo periods from prior to disclosure to those lists.
> Also, we can't reliably know of such prior embargo periods, so our data
> would be inconsistent, which is especially bad for calculating averages.

It is calculated from first report on distros list, that said, for
CVE-2017-1000255 there was some missing data for first publication (it
is public through and since 9th), so the publication
time is 5.97 days (although not for oss-security posting).

> I think for our statistics collection, we should primarily use embargo
> periods since disclosure to (linux-)distros' lists, and secondarily
> since the possibly earlier embargo start dates when known (like you did
> now).  Can you add such data?

That should be the data already used.

Kristian Fiskerstrand
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