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 CFBE3C32792 for ; Thu, 3 Oct 2019 16:08:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9578320865 for ; Thu, 3 Oct 2019 16:08:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570118902; bh=f9VOswH3F5Q8aSAQ58Nf+fB9hZXGza6I3bPJjxhCzLI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ViJvXD9xcZ0F6cNcPpBwZc+fvkODF7hrMpl3cNghckPygWVT5GtrP0TnKj2A5Q/ZW 6D8aZU9yfds+6taS3TuLPzx5VtlPtKXcwnYOdiVgcsSXu0fCIj2jxxro2LipaYqE+3 iI2KfUG9GKd4XUteCvauC9A8zWPW1m+rRanzC1Q4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733088AbfJCQIV (ORCPT ); Thu, 3 Oct 2019 12:08:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:56476 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733249AbfJCQIS (ORCPT ); Thu, 3 Oct 2019 12:08:18 -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 9DBA3215EA; Thu, 3 Oct 2019 16:08:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570118898; bh=f9VOswH3F5Q8aSAQ58Nf+fB9hZXGza6I3bPJjxhCzLI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rjwu/wRuJXvYm3qQphieO7NC76rwuNgs86YDEUm3m1mQfgDeeGP2PFFxdO99T+MUg uTS1eUrSyW37d0qkMJX9qF3+dEdAqkvTcPSq41pOh1QKjfb7Ny4Lt67fvWGfxQhUr/ OD7UWnRUU22h1RdpXdBDaG1D8zEr8j2qga2XNuY0= 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 4.14 051/185] ieee802154: enforce CAP_NET_RAW for raw sockets Date: Thu, 3 Oct 2019 17:52:09 +0200 Message-Id: <20191003154449.331955993@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191003154437.541662648@linuxfoundation.org> References: <20191003154437.541662648@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 @@ -1001,6 +1001,9 @@ 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;