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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 93E51C32792 for ; Thu, 3 Oct 2019 16:25:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6658721A4C for ; Thu, 3 Oct 2019 16:25:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570119929; bh=egfPkjQleP3+sm+wRrMFBlYgRWbRB8K/Z1RhaImosww=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=XK5jN2QhMF/g/nelFz4tCVTJILIl1DiaDP9kDwIaBfPbtvfuN2P5datwHRMqj38zm f1u96K8aDS4BSrkaOI8hxsSv1q9UnDRQjmUr1ZOVf53Pal2Jk2oUJtgZDKBhT6RPIT T9h0wklpw6SqHj4iEQzEPMiUHBDJtC32Elfxx/hI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390911AbfJCQZ2 (ORCPT ); Thu, 3 Oct 2019 12:25:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:55626 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390472AbfJCQZ0 (ORCPT ); Thu, 3 Oct 2019 12:25:26 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 6331620867; Thu, 3 Oct 2019 16:25:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570119925; bh=egfPkjQleP3+sm+wRrMFBlYgRWbRB8K/Z1RhaImosww=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PKLUqmNGrpDzSknhSz2CKMd61wP8ULLG+qmyEk9aJlAv6ftZJ0TmisPq3r3T5vECZ tmGYNAV9PH5M57mY3bkeW4MBVMiJBt7FfrwM3TjVlbONPwSLoRQYcoZBsiADm3t8WF d3QYeF9Ono1jhKMIrYIV3E/c4PIYYgcAq+nh+p4Q= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ori Nimron , Stefan Schmidt , "David S. Miller" Subject: [PATCH 5.2 031/313] ieee802154: enforce CAP_NET_RAW for raw sockets Date: Thu, 3 Oct 2019 17:50:09 +0200 Message-Id: <20191003154536.377514147@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191003154533.590915454@linuxfoundation.org> References: <20191003154533.590915454@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ori Nimron [ Upstream commit e69dbd4619e7674c1679cba49afd9dd9ac347eef ] 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 Acked-by: Stefan Schmidt Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/ieee802154/socket.c | 3 +++ 1 file changed, 3 insertions(+) --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -1008,6 +1008,9 @@ static int ieee802154_create(struct net switch (sock->type) { case SOCK_RAW: + rc = -EPERM; + if (!capable(CAP_NET_RAW)) + goto out; proto = &ieee802154_raw_prot; ops = &ieee802154_raw_ops; break;