From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:35992 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751839AbcHQMxq (ORCPT ); Wed, 17 Aug 2016 08:53:46 -0400 Subject: Patch "usb: gadget: avoid exposing kernel stack" has been added to the 4.4-stable tree To: xypron.glpk@gmx.de, felipe.balbi@linux.intel.com, gregkh@linuxfoundation.org Cc: , From: Date: Wed, 17 Aug 2016 14:53:35 +0200 Message-ID: <14714384153612@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: gadget: avoid exposing kernel stack to the 4.4-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-gadget-avoid-exposing-kernel-stack.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From ffeee83aa0461992e8a99a59db2df31933e60362 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Sun, 8 May 2016 23:20:59 +0200 Subject: usb: gadget: avoid exposing kernel stack From: Heinrich Schuchardt commit ffeee83aa0461992e8a99a59db2df31933e60362 upstream. Function in_rq_cur copies random bytes from the stack. Zero the memory instead. Fixes: 132fcb460839 ("usb: gadget: Add Audio Class 2.0 Driver") Signed-off-by: Heinrich Schuchardt Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/function/f_uac2.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -1291,6 +1291,7 @@ in_rq_cur(struct usb_function *fn, const if (control_selector == UAC2_CS_CONTROL_SAM_FREQ) { struct cntrl_cur_lay3 c; + memset(&c, 0, sizeof(struct cntrl_cur_lay3)); if (entity_id == USB_IN_CLK_ID) c.dCUR = p_srate; Patches currently in stable-queue which might be from xypron.glpk@gmx.de are queue-4.4/usb-gadget-avoid-exposing-kernel-stack.patch