From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:34308 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751245AbdJOOan (ORCPT ); Sun, 15 Oct 2017 10:30:43 -0400 Subject: Patch "USB: serial: console: fix use-after-free after failed setup" has been added to the 4.9-stable tree To: johan@kernel.org, gregkh@linuxfoundation.org Cc: , From: Date: Sun, 15 Oct 2017 16:29:41 +0200 Message-ID: <150807778110568@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled USB: serial: console: fix use-after-free after failed setup to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-serial-console-fix-use-after-free-after-failed-setup.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 299d7572e46f98534033a9e65973f13ad1ce9047 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Wed, 4 Oct 2017 11:01:13 +0200 Subject: USB: serial: console: fix use-after-free after failed setup From: Johan Hovold commit 299d7572e46f98534033a9e65973f13ad1ce9047 upstream. 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") Acked-by: Greg Kroah-Hartman Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/console.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/usb/serial/console.c +++ b/drivers/usb/serial/console.c @@ -186,6 +186,7 @@ static int usb_console_setup(struct cons tty_kref_put(tty); reset_open_count: port->port.count = 0; + info->port = NULL; usb_autopm_put_interface(serial->interface); error_get_interface: usb_serial_put(serial); Patches currently in stable-queue which might be from johan@kernel.org are queue-4.9/alsa-caiaq-fix-stray-urb-at-probe-error-path.patch queue-4.9/usb-serial-option-add-support-for-tp-link-lte-module.patch queue-4.9/usb-serial-cp210x-add-support-for-elv-tfd500.patch queue-4.9/usb-serial-qcserial-add-dell-dw5818-dw5819.patch queue-4.9/usb-serial-console-fix-use-after-free-after-failed-setup.patch queue-4.9/usb-serial-ftdi_sio-add-id-for-cypress-wiced-dev-board.patch