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 12E0FC32792 for ; Thu, 3 Oct 2019 17:33:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D121420830 for ; Thu, 3 Oct 2019 17:33:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570123985; bh=ma1CarYG2lqqBfk2dF+ebJNDWLLYYaQ94NCINGFyuyM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=zl/gj4MT0K1nxt9wkjfjfhgtFhuA7r6kEbXsT0q4egXgPZyNmG8OZAyb18KozSpBc QJuCO5dfAv7wYjzwuppIs+82WNTFy+D+SEkSbUQn5Tse8uq14Dx3YHqGY9Aw+8HtAL 8c38dXUxbShaufR+eJ6EkX8HcE4XwrGk4JglQa2k= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732162AbfJCRdE (ORCPT ); Thu, 3 Oct 2019 13:33:04 -0400 Received: from mail.kernel.org ([198.145.29.99]:56396 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731668AbfJCQIQ (ORCPT ); Thu, 3 Oct 2019 12:08:16 -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 ED4AF20865; Thu, 3 Oct 2019 16:08:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570118895; bh=ma1CarYG2lqqBfk2dF+ebJNDWLLYYaQ94NCINGFyuyM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uPhClj8OI3wX/iV8RYtO6/geSoqrze2sj6Ayi6x6MxYWq44Sc/ZPDG9boH0/Hsz2w HXyGRlllxU+mmyZYgSFgcFdDQdVHyVJbjIycIyf5BPYJwcdHtnU2tQQZv9MAbOXokp xBkVimPoa5hD3vrMM2+ROwAan+X1K7V/pwnvApMU= 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 4.14 050/185] ax25: enforce CAP_NET_RAW for raw sockets Date: Thu, 3 Oct 2019 17:52:08 +0200 Message-Id: <20191003154449.113701954@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 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;