From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B86CDC10F03 for ; Tue, 23 Apr 2019 17:05:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 907C121850 for ; Tue, 23 Apr 2019 17:05:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729293AbfDWRFA (ORCPT ); Tue, 23 Apr 2019 13:05:00 -0400 Received: from coyote.holtmann.net ([212.227.132.17]:49940 "EHLO mail.holtmann.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727740AbfDWRFA (ORCPT ); Tue, 23 Apr 2019 13:05:00 -0400 Received: from marcel-macpro.fritz.box (p4FF9FD9B.dip0.t-ipconnect.de [79.249.253.155]) by mail.holtmann.org (Postfix) with ESMTPSA id 12B41CF2DA; Tue, 23 Apr 2019 19:13:09 +0200 (CEST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.8\)) Subject: Re: [PATCH] Bluetooth: hidp: fix buffer overflow From: Marcel Holtmann In-Reply-To: <1555053870-31588-1-git-send-email-92siuyang@gmail.com> Date: Tue, 23 Apr 2019 19:04:58 +0200 Cc: Johan Hedberg , "David S. Miller" , viro@zeniv.linux.org.uk, linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Young Xiao Content-Transfer-Encoding: 7bit Message-Id: <558EAA47-F2D4-4DA0-8C95-B5440AE4F3DE@holtmann.org> References: <1555053870-31588-1-git-send-email-92siuyang@gmail.com> To: Young Xiao <92siuyang@gmail.com> X-Mailer: Apple Mail (2.3445.104.8) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Young, > Struct ca is copied from userspace. It is not checked whether the "name" > field is NULL terminated, which allows local users to obtain potentially > sensitive information from kernel stack memory, via a HIDPCONNADD command. > > This vulnerability is similar to CVE-2011-1079. > > Signed-off-by: Young Xiao > --- > net/bluetooth/hidp/sock.c | 1 + > 1 file changed, 1 insertion(+) patch has been applied to bluetooth-next tree. Regards Marcel