From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:49154 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755844AbcBXDdy (ORCPT ); Tue, 23 Feb 2016 22:33:54 -0500 Subject: Patch "intel_scu_ipcutil: underflow in scu_reg_access()" has been added to the 3.14-stable tree To: dan.carpenter@oracle.com, dvhart@linux.intel.com, gregkh@linuxfoundation.org Cc: , From: Date: Tue, 23 Feb 2016 19:23:39 -0800 Message-ID: <1456284219149211@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 intel_scu_ipcutil: underflow in scu_reg_access() to the 3.14-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: intel_scu_ipcutil-underflow-in-scu_reg_access.patch and it can be found in the queue-3.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From b1d353ad3d5835b16724653b33c05124e1b5acf1 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 26 Jan 2016 12:24:25 +0300 Subject: intel_scu_ipcutil: underflow in scu_reg_access() From: Dan Carpenter commit b1d353ad3d5835b16724653b33c05124e1b5acf1 upstream. "count" is controlled by the user and it can be negative. Let's prevent that by making it unsigned. You have to have CAP_SYS_RAWIO to call this function so the bug is not as serious as it could be. Fixes: 5369c02d951a ('intel_scu_ipc: Utility driver for intel scu ipc') Signed-off-by: Dan Carpenter Signed-off-by: Darren Hart Signed-off-by: Greg Kroah-Hartman --- drivers/platform/x86/intel_scu_ipcutil.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/platform/x86/intel_scu_ipcutil.c +++ b/drivers/platform/x86/intel_scu_ipcutil.c @@ -49,7 +49,7 @@ struct scu_ipc_data { static int scu_reg_access(u32 cmd, struct scu_ipc_data *data) { - int count = data->count; + unsigned int count = data->count; if (count == 0 || count == 3 || count > 4) return -EINVAL; Patches currently in stable-queue which might be from dan.carpenter@oracle.com are queue-3.14/iio-fix-some-warning-messages.patch queue-3.14/intel_scu_ipcutil-underflow-in-scu_reg_access.patch