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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 A94DDC4CEC9 for ; Fri, 20 Sep 2019 07:36:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7040F208C0 for ; Fri, 20 Sep 2019 07:36:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1568964979; bh=H6ouQjqr2XxrN24f+ltvt/OqwmUqSWyTn66raHrndfk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=JBgeum7Y5QUJS/wcYVtecjKNK5dv/1/ZhyZnu2/lFGjVcD0LV9c9DbFSW02uQW5gz W9VUXig2lY9fMwN4sq7R1GuERr4vW144h0TPoFg0RoGiYowi5zdSMQRDD3X/faL69H WOa/7tcz3e8Y1RMyORMvqZe6PLf1CuoBANg+OM0c= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437516AbfITHgS (ORCPT ); Fri, 20 Sep 2019 03:36:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:58752 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2437511AbfITHgS (ORCPT ); Fri, 20 Sep 2019 03:36:18 -0400 Received: from localhost (unknown [89.205.140.247]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C2DE720882; Fri, 20 Sep 2019 07:36:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1568964977; bh=H6ouQjqr2XxrN24f+ltvt/OqwmUqSWyTn66raHrndfk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KmVpWpURBNjc6U7rb0KEvRhDnrJH77kc2mh0eVP1GubUh47hICKYcs045kHUQ1riF bom2Tf1WXSoihJ0wSMToDU2Nr5LbFvwnnRdujP8kPiLj6ua0w6tuOWfnCaW+hydXa2 v25LDc0GJJ1BaixZUOhdjwp2lTeJ3flaPWvL2ba0= From: Greg Kroah-Hartman To: netdev@vger.kernel.org Cc: isdn@linux-pingi.de, jreuter@yaina.de, ralf@linux-mips.org, alex.aring@gmail.com, stefan@datenfreihafen.org, orinimron123@gmail.com, Greg Kroah-Hartman Subject: [PATCH 4/5] ieee802154: enforce CAP_NET_RAW for raw sockets Date: Fri, 20 Sep 2019 09:35:48 +0200 Message-Id: <20190920073549.517481-5-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190920073549.517481-1-gregkh@linuxfoundation.org> References: <20190920073549.517481-1-gregkh@linuxfoundation.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Ori Nimron When creating a raw AF_IEEE802154 socket, CAP_NET_RAW needs to be checked first. Signed-off-by: Ori Nimron Signed-off-by: Greg Kroah-Hartman --- net/ieee802154/socket.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c index badc5cfe4dc6..d93d4531aa9b 100644 --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -1008,6 +1008,9 @@ static int ieee802154_create(struct net *net, struct socket *sock, switch (sock->type) { case SOCK_RAW: + rc = -EPERM; + if (!capable(CAP_NET_RAW)) + goto out; proto = &ieee802154_raw_prot; ops = &ieee802154_raw_ops; break; -- 2.23.0