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 1A7BCC10F14 for ; Thu, 3 Oct 2019 17:15:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D625B20673 for ; Thu, 3 Oct 2019 17:15:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570122941; bh=0xn1V+dQaLQrN6Mj+KrT7gR0pmwR/tohH0dFedkmAxU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kBIb+w5p3qB8HvdKNHnnPAchbIMj/f9vwwXspmtfiEG7aubNIEd/ugrM7+x4pKrpM ynHX83wlq2dD1JY9t4u+yGAQHlIHRQajAubSXShLM/Tujhl5iTEN9Vy6aNBpnav4sb 5YEJ68hzUVEYZG4qwAgvw227ehqXriN+9XBf0Rx8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390542AbfJCQZ1 (ORCPT ); Thu, 3 Oct 2019 12:25:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:55548 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389092AbfJCQZY (ORCPT ); Thu, 3 Oct 2019 12:25:24 -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 C0D0120867; Thu, 3 Oct 2019 16:25:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570119923; bh=0xn1V+dQaLQrN6Mj+KrT7gR0pmwR/tohH0dFedkmAxU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e5G9+0HS1X+pwXm38Lmq0FpL7QkERhmFZhYDt3aZub8MUixDG7kqh0dhPG1SR8YjI RkiQV0QICkpfEAHdhUTU2pa6o5NjfhLhT9KyY/GlBzT2kbr30Xo17IHjTLWknr+Mpi Y2TdC/SKrBo5DDG6nMB2U9KFUgTnebgehmTS+zCc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ori Nimron , "David S. Miller" Subject: [PATCH 5.2 030/313] ax25: enforce CAP_NET_RAW for raw sockets Date: Thu, 3 Oct 2019 17:50:08 +0200 Message-Id: <20191003154536.289860375@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 0614e2b73768b502fc32a75349823356d98aae2c ] When creating a raw AF_AX25 socket, CAP_NET_RAW needs to be checked first. Signed-off-by: Ori Nimron Signed-off-by: Greg Kroah-Hartman Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/ax25/af_ax25.c | 2 ++ 1 file changed, 2 insertions(+) --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -855,6 +855,8 @@ static int ax25_create(struct net *net, break; case SOCK_RAW: + if (!capable(CAP_NET_RAW)) + return -EPERM; break; default: return -ESOCKTNOSUPPORT;