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=unavailable 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 13B42C4CED1 for ; Thu, 3 Oct 2019 17:26:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D09C420865 for ; Thu, 3 Oct 2019 17:26:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570123618; bh=5E7e2HVF4nFAfnMAASpJMM+BCKfYI87ZtTiS03Yvpd4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=l6WT9E7WO+M1qp+CASfCn3g6qaeWyIHdDF1bjW7zOEMmK+APIVLmH+O5PfDW6C4L8 +CTXTWvwvaPLJGf0CdPoX0Cn7PgNXhfFTr53nFfs2VR8OUI+amVBCO+ihbKH3ufnV1 dkUgCtCEVM90LV/kApcUMH2+PfNqWii7CSAe+dyg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388230AbfJCQPU (ORCPT ); Thu, 3 Oct 2019 12:15:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:39392 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732149AbfJCQPU (ORCPT ); Thu, 3 Oct 2019 12:15:20 -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 5158A20700; Thu, 3 Oct 2019 16:15:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570119319; bh=5E7e2HVF4nFAfnMAASpJMM+BCKfYI87ZtTiS03Yvpd4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Zca8ZirMMJFoo9nRskSmMVmHJWocErZW0Tqe9+6H84zWXhsSyh6Unh7Kb77kR8Q3l Aui5FcBUfa1eXfpz2iMraVaKqvIT+dcq0IcDZt+P0UUbuxNP69hu5Wz7EuE63vgczq p0duKpZGF/V32nKZIepy2UAShO7HU1SgsH7uCnJY= 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 4.19 021/211] ieee802154: enforce CAP_NET_RAW for raw sockets Date: Thu, 3 Oct 2019 17:51:27 +0200 Message-Id: <20191003154452.025649940@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191003154447.010950442@linuxfoundation.org> References: <20191003154447.010950442@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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 @@ -1018,6 +1018,9 @@ 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;