linux-kernel - Re: [PATCH 2/2] USB: serial: console: fix use-after-free after failed setup

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Message-ID: <20171004143925.GC13707@kroah.com>
Date:   Wed, 4 Oct 2017 16:39:25 +0200
From:   Greg KH <greg@...ah.com>
To:     Johan Hovold <johan@...nel.org>
Cc:     linux-usb@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...gle.com>,
        linux-kernel@...r.kernel.org, stable <stable@...r.kernel.org>
Subject: Re: [PATCH 2/2] USB: serial: console: fix use-after-free after
 failed setup

On Wed, Oct 04, 2017 at 11:01:13AM +0200, Johan Hovold wrote:
> Make sure to reset the USB-console port pointer when console setup fails
> in order to avoid having the struct usb_serial be prematurely freed by
> the console code when the device is later disconnected.
> 
> Fixes: 73e487fdb75f ("[PATCH] USB console: fix disconnection issues")
> Cc: stable <stable@...r.kernel.org>	# 2.6.18
> Signed-off-by: Johan Hovold <johan@...nel.org>

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>