From nobody Fri Mar 29 07:46:10 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of redhat.com designates 205.139.110.120 as permitted sender) client-ip=205.139.110.120; envelope-from=libvir-list-bounces@redhat.com; helo=us-smtp-1.mimecast.com; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of redhat.com designates 205.139.110.120 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1595836510; cv=none; d=zohomail.com; s=zohoarc; b=NBk7DPJTbMjuH0Ic8IO6gwOgLcPF6JnV9fKMclMXWQxPjNynWlgb+fpgCXO4FeciJOHxFNATlqKPfjgYgY/mIl4emfzoEum+JYT3a1dnVdzGYqvsRykAD3qnbgl9Is8UVFY61eeuYZj1rs0XfWq5RaxWLPUzoYc+p2K+EwS2TyY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1595836510; h=Content-Type:Content-Transfer-Encoding:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=Q+JeV7zLjRKRliLGZpSSNTxJin9cAgVz6vgo1hKK8ds=; b=CPbJjqSw6DKVdciUcyTsx3TuO5M6ULb/7yv2PPzCyueeJRz2OlwbFxIoZLmO1hOxkDh1KjzDKJkvWX+C3Zx29C0B1cICp4pVNL1kpW+6V/qZL3yT/A4XYlT3Dfo6CRIhap58SFLXKJ5SPHMDN+Zgkgh0EolFi8M7ENwax3+f0/M= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of redhat.com designates 205.139.110.120 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) by mx.zohomail.com with SMTPS id 1595836510089126.40129526942292; Mon, 27 Jul 2020 00:55:10 -0700 (PDT) Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-212-Vl_bret6Oqq1sTdOTM3w7g-1; Mon, 27 Jul 2020 03:55:05 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 580E218C63C1; Mon, 27 Jul 2020 07:55:00 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9DDEC19C66; Mon, 27 Jul 2020 07:54:59 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id EF8341809554; Mon, 27 Jul 2020 07:54:57 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 06R7su5B008285 for ; Mon, 27 Jul 2020 03:54:56 -0400 Received: by smtp.corp.redhat.com (Postfix) id B323B872EF; Mon, 27 Jul 2020 07:54:56 +0000 (UTC) Received: from localhost.localdomain (unknown [10.40.193.218]) by smtp.corp.redhat.com (Postfix) with ESMTP id 32C5B76216 for ; Mon, 27 Jul 2020 07:54:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1595836508; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=Q+JeV7zLjRKRliLGZpSSNTxJin9cAgVz6vgo1hKK8ds=; b=Hp9cCI1B2c515kM5hnk00VyZPqBrupBXtggqw7204qCww133kZjalgFjyNBWCK/RNgLLFi zG4N4w0tu6WYlLGVOHdSeTYONwTdQNh+cYSD/6fEFNzQ4vcoG3qHUHQk2cOTvjmgRKSYOa g5wCBBZRhgdzQaWBWpaLNoRdYK3WZvU= X-MC-Unique: Vl_bret6Oqq1sTdOTM3w7g-1 From: Michal Privoznik To: libvir-list@redhat.com Subject: [PATCH for 6.6.0] news: Document recent CVE fix Date: Mon, 27 Jul 2020 09:54:50 +0200 Message-Id: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-loop: libvir-list@redhat.com X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" Document the fix of leaking /dev/mapper/control to QEMU (fixed in v6.6.0-rc1-3-g2249455654). Signed-off-by: Michal Privoznik Reviewed-by: Andrea Bolognani --- NEWS.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/NEWS.rst b/NEWS.rst index ff977968c7..8b53d21b8a 100644 --- a/NEWS.rst +++ b/NEWS.rst @@ -33,6 +33,13 @@ v6.6.0 (unreleased) =20 * **Bug fixes** =20 + * virdevmapper: Don't use libdevmapper to obtain dependencies + + When building domain's private ``/dev`` in a namespace, libdevmapper w= as + consulted for getting full dependency tree of domain's disks. However,= this + meant that libdevmapper opened ``/dev/mapper/control`` which wasn't cl= osed + and was leaked to QEMU. CVE-2020-14339 + =20 v6.5.0 (2020-07-03) =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --=20 2.26.2