linux-kernel - Re: [PATCH v3 1/4] cdc-acm: fix possible invalid access when processing notification

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Message-ID: <1490952676.30466.5.camel@suse.com>
Date:   Fri, 31 Mar 2017 11:31:16 +0200
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, stable@...r.kernel.org
Subject: Re: [PATCH v3 1/4] cdc-acm: fix possible invalid access when
 processing notification

Am Donnerstag, den 30.03.2017, 22:15 +0200 schrieb Tobias Herzog:
> Notifications may only be 8 bytes 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.
> 
> Signed-off-by: Tobias Herzog <t-herzog@....de>
Acked-by: Oliver Neukum <oneukum@...e.com>