From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758876AbcDHTQo (ORCPT ); Fri, 8 Apr 2016 15:16:44 -0400 Received: from bumble.birch.relay.mailchannels.net ([23.83.209.25]:12256 "EHLO bumble.birch.relay.mailchannels.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751522AbcDHTQn (ORCPT ); Fri, 8 Apr 2016 15:16:43 -0400 X-Sender-Id: wwwh|x-authuser|ed@abdsec.com X-Sender-Id: wwwh|x-authuser|ed@abdsec.com X-MC-Relay: Neutral X-MailChannels-SenderId: wwwh|x-authuser|ed@abdsec.com X-MailChannels-Auth-Id: wwwh X-MC-Loop-Signature: 1460143000072:715173309 X-MC-Ingress-Time: 1460143000072 From: Emrah Demir To: linux-kernel@vger.kernel.org Cc: netdev@vger.kernel.org, isdn@linux-pingi.de, Emrah Demir Subject: [PATCH] mISDN: Fixing missing validation in base_sock_bind() Date: Fri, 8 Apr 2016 22:16:11 +0300 Message-Id: <1460142971-16459-1-git-send-email-ed@abdsec.com> X-Mailer: git-send-email 2.8.0.rc3 X-AuthUser: ed@abdsec.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Emrah Demir Add validation code into mISDN/socket.c Signed-off-by: Emrah Demir --- 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 0d29b5a..99e5f97 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/drivers/isdn/mISDN/socket.c @@ -715,6 +715,9 @@ 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.rc3