Message ID | 20210305120853.340923771@linuxfoundation.org |
---|---|
State | Superseded |
Headers | show
Return-Path: <stable-owner@kernel.org> 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 8B4F0C4332D for <stable@archiver.kernel.org>; Fri, 5 Mar 2021 12:40:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 64F3F6501E for <stable@archiver.kernel.org>; Fri, 5 Mar 2021 12:40:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233106AbhCEMkW (ORCPT <rfc822;stable@archiver.kernel.org>); Fri, 5 Mar 2021 07:40:22 -0500 Received: from mail.kernel.org ([198.145.29.99]:54984 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233293AbhCEMjy (ORCPT <rfc822;stable@vger.kernel.org>); Fri, 5 Mar 2021 07:39:54 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 77CB764EE8; Fri, 5 Mar 2021 12:39:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614947994; bh=n3oIJCLNUHWb8VSxGI+nsLCbsNS1pQFAIDyNjQMveao=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q3xw9Wdl1U02TfHj9gdYFtVvAPpgE6Npso2qc9qlABBEha6VvhLGcSIOyOykX8ghi B0Hf5/KdTdHl/fgyNRgJAwIFgH505T6ttbisRTv1F9+/a5H3oQAfugw2wJandgq48I WiPO8FAiL7Cv3OtYriUs8q/5xJgjY/FxFmyKOtww= From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, Adam Nichols <adam@grimm-co.com>, Chris Leech <cleech@redhat.com>, Mike Christie <michael.christie@oracle.com>, Lee Duncan <lduncan@suse.com>, "Martin K. Petersen" <martin.petersen@oracle.com> Subject: [PATCH 4.14 31/39] scsi: iscsi: Restrict sessions and handles to admin capabilities Date: Fri, 5 Mar 2021 13:22:30 +0100 Message-Id: <20210305120853.340923771@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210305120851.751937389@linuxfoundation.org> References: <20210305120851.751937389@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <stable.vger.kernel.org> X-Mailing-List: stable@vger.kernel.org |
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--- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -119,6 +119,9 @@ show_transport_handle(struct device *dev char *buf) { struct iscsi_internal *priv = dev_to_iscsi_internal(dev); + + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; return sprintf(buf, "%llu\n", (unsigned long long)iscsi_handle(priv->iscsi_transport)); } static DEVICE_ATTR(handle, S_IRUGO, show_transport_handle, NULL); @@ -3504,6 +3507,9 @@ iscsi_if_recv_msg(struct sk_buff *skb, s struct iscsi_cls_conn *conn; struct iscsi_endpoint *ep = NULL; + if (!netlink_capable(skb, CAP_SYS_ADMIN)) + return -EPERM; + if (nlh->nlmsg_type == ISCSI_UEVENT_PATH_UPDATE) *group = ISCSI_NL_GRP_UIP; else