From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754084AbdBEUFf (ORCPT + 2 others); Sun, 5 Feb 2017 15:05:35 -0500 Received: from wtarreau.pck.nerim.net ([62.212.114.60]:27962 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753775AbdBETY7 (ORCPT ); Sun, 5 Feb 2017 14:24:59 -0500 From: Willy Tarreau To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux@roeck-us.net Cc: Emrah Demir , "David S . Miller" , Willy Tarreau Subject: [PATCH 3.10 239/319] mISDN: Fixing missing validation in base_sock_bind() Date: Sun, 5 Feb 2017 20:21:01 +0100 Message-Id: <1486322541-8206-140-git-send-email-w@1wt.eu> X-Mailer: git-send-email 2.8.0.rc2.1.gbe9624a In-Reply-To: <1486322541-8206-1-git-send-email-w@1wt.eu> References: <1486322541-8206-1-git-send-email-w@1wt.eu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: From: Emrah Demir commit b821646826e22f0491708768fccce58eef3f5704 upstream. Add validation code into mISDN/socket.c Signed-off-by: Emrah Demir Signed-off-by: David S. Miller Signed-off-by: Willy Tarreau --- drivers/isdn/mISDN/socket.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c index 5cefb47..00bd80a 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/drivers/isdn/mISDN/socket.c @@ -717,6 +717,9 @@ base_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len) if (!maddr || maddr->family != AF_ISDN) return -EINVAL; + if (addr_len < sizeof(struct sockaddr_mISDN)) + return -EINVAL; + lock_sock(sk); if (_pms(sk)->dev) { -- 2.8.0.rc2.1.gbe9624a