linux-kernel - Re: [PATCH v2 2/4] cdc-acm: fix possible invalid access when processing notification

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Message-ID: <1490022247.25734.6.camel@suse.com>
Date:   Mon, 20 Mar 2017 16:04:07 +0100
From:   Oliver Neukum <oneukum@...e.com>
To:     Tobias Herzog <t-herzog@....de>
Cc:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH v2 2/4] cdc-acm: fix possible invalid access when
 processing notification

Am Samstag, den 18.03.2017, 19:52 +0100 schrieb Tobias Herzog:
> Notifications may only be 8 bytes so long. Accessing the 9th and
> 10th byte of unimplemented/unknown notifications may be insecure.
> Also check the length of known notifications before accessing anything
> behind the 8th byte.
> 

This is fixing a potential security issue. Please make it first in the
series and CC it to stable@...r.kernel.org

	Regards
		Oliver