Re: [PATCH v4.4/bluetooth 1/2] Bluetooth: Consolidate encryption handling in hci_encrypt_cfm

From: Greg KH
Date: Thu Oct 15 2020 - 05:57:22 EST


On Thu, Oct 15, 2020 at 09:43:32AM +0200, Hans-Christian Noren Egtvedt wrote:
> From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
>
> This makes hci_encrypt_cfm calls hci_connect_cfm in case the connection
> state is BT_CONFIG so callers don't have to check the state.
>
> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
> Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
> (cherry picked from commit 3ca44c16b0dcc764b641ee4ac226909f5c421aa3)

This is only in 5.8, what about all the other stable kernels?

> (cherry picked from commit 0a60996c7fa7010ea00d9b62fb6996d908a01ead)

Where is this commit from? I don't see it in Linus's tree.

> ---
> AFAICT, fixing CVE 2020-10135 Bluetooth impersonation attacks have been
> left out for the 4.4 stable kernel. I cherry picked what I assume are
> the appropriate two patches missing from the 4.9 stable kernel. Please
> add them to upcoming 4.4 stable releases.

Why are you merging 2 commits together? Please provide backports for
all stable kernels, if you want to see this in the 4.4.y tree. We can
not have someone move from an older tree to a newer one and have a
regression.

thanks,

greg k-h