linux-kernel - Re: [PATCH] Bluetooth: hci_event: Ignore NULL link key in hci_link_key_notify

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Date:   Mon, 17 Jul 2023 14:25:06 +0300
From:   Dan Carpenter <dan.carpenter@...aro.org>
To:     joeyli <jlee@...e.com>
Cc:     Markus Elfring <Markus.Elfring@....de>,
        linux-bluetooth@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Chun-Yi Lee <joeyli.kernel@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Marcel Holtmann <marcel@...tmann.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Bluetooth: hci_event: Ignore NULL link key in
 hci_link_key_notify_evt()

On Mon, Jul 17, 2023 at 06:23:10PM +0800, joeyli wrote:
> Hi Markus,
> 
> On Mon, Jul 17, 2023 at 08:15:56AM +0200, Markus Elfring wrote:
> > >> …
> > >>> We can ignore null link key in the handler of "Link Key Notification
> > >>> event" to relieve the attack. …
> > …
> > > Sorry for I didn't capture your point.
> > 
> > Did you provide sufficient justification for a possible addition of the tag “Fixes”?
> >
> 
> This patch is against a CVE. The issue is not introduced by any old kernel
> patch. So I think it doesn't need Fixes: tag.

You should probably put a Fixes tag against when the feature was
introduced.  (Kernel's prior to that were not affected by the CVE).

regards,
dan carpenter