Hi Dan, On Mon, Jul 17, 2023 at 02:25:06PM +0300, Dan Carpenter wrote: > 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). > OK! I see. I have digged that the link key stored function be introduced by 55ed8ca10f35 since v2.6.39-rc1: commit 55ed8ca10f3530de8edbbf138acb50992bf5005b Author: Johan Hedberg <johan.hedberg@xxxxxxxxx> Date: Mon Jan 17 14:41:05 2011 +0200 Bluetooth: Implement link key handling for the management interface I will add Fixes: 55ed8ca10f35 ("Bluetooth: Implement link key handling for the management interface") in next version. Thanks for your and Markus's reminder. Joey Lee