linux-kernel - Re: EXT :Re: [RFC] Create an audit record of USB specific details

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Message-ID: <20160405153559.GB2647@kroah.com>
Date:	Tue, 5 Apr 2016 11:35:59 -0400
From:	Greg KH <gregkh@...uxfoundation.org>
To:	"Boyce, Kevin P (AS)" <Kevin.Boyce@....com>
Cc:	Wade Mealing <wmealing@...hat.com>,
	Bjørn Mork <bjorn@...k.no>,
	Oliver Neukum <oneukum@...e.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-usb <linux-usb@...r.kernel.org>,
	"linux-audit@...hat.com" <linux-audit@...hat.com>
Subject: Re: EXT :Re: [RFC] Create an audit record of USB specific details

On Tue, Apr 05, 2016 at 01:52:40PM +0000, Boyce, Kevin P (AS) wrote:
> Greg,
> 
> > There is no "/proc/usb/" :)
> 
> Sorry, maybe /sys/bus/usb/devices was what I was looking for...
> 
> > The kernel calls mknod itself on devtmpfs, userspace doesn't do that anymore (hasn't for a long time).  Do you get those audit events today?
> 
> I'm not auditing those events myself.  Just proposing ideas that might
> produce the sort of information Wade was looking for.

Ok, but watch out, lots of USB devices don't have a device node, they
get accessed directly by userspace applications, using the kernel as a
"raw" pass-through.

It's not an easy problem, good luck all!

greg k-h