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Date: Tue, 20 Jun 2017 09:53:37 +0200
From: Salvatore Mesoraca <>
To: Pavel Machek <>
Cc: kernel list <>,, 
	Kernel Hardening <>, 
	Brad Spengler <>, PaX Team <>, 
	Casey Schaufler <>, Kees Cook <>, 
	James Morris <>, "Serge E. Hallyn" <>
Subject: Re: [PATCH 04/11] S.A.R.A. USB Filtering

2017-06-20 9:07 GMT+02:00 Pavel Machek <>:
> Hmm. Given that USB device provides vendor id/product id, this does
> not really stop anyone, right?
> AFAICT you can still get USB stick with vid/pid of logitech keyboard,
> and kernel will recognize it as a usb stick.

There are a number of ways by which a device can be assigned to a driver.
vid/pid is the most common for the most esoteric devices: i.e. less used/most
However you are right, a final version of this feature should have included
"interface matching" too and even something much more specific like serial
Anyway, because of lack of interest in having this feature included in kernel
space (something similar can already be done in user-space) it has been
You are answering to an old version of S.A.R.A. that can now be considered
Thank you anyway for your comment.


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