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 A73A0C10F14 for ; Thu, 3 Oct 2019 17:04:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6FC092070B for ; Thu, 3 Oct 2019 17:04:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570122254; bh=0xn1V+dQaLQrN6Mj+KrT7gR0pmwR/tohH0dFedkmAxU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=u7GGuh50jqA1Uiv/XVz1ywqVZkzuP/vT2kTCnkymYM8lgVIpXV123tN1rfDcySawm kvVyhy6Gbanc2Byabofs2S6vgHVdeEOZiaWNnRzzkuSIau/uHcj9DNsm7rWMOlxhZr ZwCStNERYSd1i5uyZywWhVaI5BdhQmONLL6Op+5g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393321AbfJCREN (ORCPT ); Thu, 3 Oct 2019 13:04:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:51642 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405008AbfJCQlQ (ORCPT ); Thu, 3 Oct 2019 12:41:16 -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 8CBF0206BB; Thu, 3 Oct 2019 16:41:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570120876; bh=0xn1V+dQaLQrN6Mj+KrT7gR0pmwR/tohH0dFedkmAxU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i4JNlVIxy5GyFmvR9o9PKGZb9mtYzuRzlOeaKrU9oa0OI00WsrH+6M+lfD62a7nf0 YZbsQRR2AjSeNzkyZLTcuQqjfqfhvEZy7CHQm2P+BOluBDZ3sQXzuLId/xUQCJTY4W 8YoqNClnwidGLmc+vQyyzGOHdYBFYiENn5HtYhb0= 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 5.3 035/344] ax25: enforce CAP_NET_RAW for raw sockets Date: Thu, 3 Oct 2019 17:50:00 +0200 Message-Id: <20191003154543.547209436@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191003154540.062170222@linuxfoundation.org> References: <20191003154540.062170222@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;