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 B4861C32792 for ; Thu, 3 Oct 2019 17:38:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8C0EF20865 for ; Thu, 3 Oct 2019 17:38:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570124280; bh=ma1CarYG2lqqBfk2dF+ebJNDWLLYYaQ94NCINGFyuyM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Z8ZP/ekKgXP/dXbGZdVvik181TDkHW7F4R5skKpd25keS/cPwYunrKuzEQF6zNhGj Hjajjc0d6G50hVtDCw32JkwTunStzbwttoD1DR/nVNZVNx7EMPZxjx0dw1CpZYE+EK Z/ReIs972u7GTj2zl5tvcZEPMtjGx8GENAlR4rhk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732237AbfJCRh4 (ORCPT ); Thu, 3 Oct 2019 13:37:56 -0400 Received: from mail.kernel.org ([198.145.29.99]:48158 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729554AbfJCQDD (ORCPT ); Thu, 3 Oct 2019 12:03:03 -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 751E1207FF; Thu, 3 Oct 2019 16:03:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570118582; bh=ma1CarYG2lqqBfk2dF+ebJNDWLLYYaQ94NCINGFyuyM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hbWn0Ss+phf26cIDgytDOt+oI4UgTmbV+PqKOjYMWlPOn+DyrUNpeXFe8MO8buXAc RTnlBEFy/WtreDZbLwZXLVsuturjUYhE3JCpkrVghUg3oPilQw2lI9IW1ocnMukgsZ QwRkCLlTDXv2Js3GEow6K99poB+qdd+7dnoaX6gE= 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 4.9 036/129] ax25: enforce CAP_NET_RAW for raw sockets Date: Thu, 3 Oct 2019 17:52:39 +0200 Message-Id: <20191003154334.777142597@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191003154318.081116689@linuxfoundation.org> References: <20191003154318.081116689@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 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 @@ -859,6 +859,8 @@ static int ax25_create(struct net *net, break; case SOCK_RAW: + if (!capable(CAP_NET_RAW)) + return -EPERM; break; default: return -ESOCKTNOSUPPORT;