From patchwork Wed Feb 2 15:47:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sakib Sajal X-Patchwork-Id: 3204 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E761C43217 for ; Wed, 2 Feb 2022 15:47:35 +0000 (UTC) Received: from mail1.wrs.com (mail1.wrs.com [147.11.3.146]) by mx.groups.io with SMTP id smtpd.web11.66129.1643816854217189809 for ; Wed, 02 Feb 2022 07:47:34 -0800 Authentication-Results: mx.groups.io; dkim=missing; spf=permerror, err=parse error for token &{10 18 %{ir}.%{v}.%{d}.spf.has.pphosted.com}: invalid domain name (domain: windriver.com, ip: 147.11.3.146, mailfrom: sakib.sajal@windriver.com) Received: from mail.windriver.com (mail.wrs.com [147.11.1.11]) by mail1.wrs.com (8.15.2/8.15.2) with ESMTPS id 212FlViR024544 (version=TLSv1.1 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Wed, 2 Feb 2022 07:47:32 -0800 Received: from ala-exchng01.corp.ad.wrs.com (ala-exchng01.corp.ad.wrs.com [147.11.82.252]) by mail.windriver.com (8.15.2/8.15.2) with ESMTPS id 212FlQXe023439 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Wed, 2 Feb 2022 07:47:31 -0800 (PST) Received: from ala-exchng01.corp.ad.wrs.com (147.11.82.252) by ala-exchng01.corp.ad.wrs.com (147.11.82.252) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.12; Wed, 2 Feb 2022 07:47:26 -0800 Received: from yow-lpggp3.wrs.com (128.224.137.13) by ala-exchng01.corp.ad.wrs.com (147.11.82.252) with Microsoft SMTP Server id 15.1.2242.12 via Frontend Transport; Wed, 2 Feb 2022 07:47:25 -0800 From: Sakib Sajal To: Subject: [hardknott][PATCH 2/8] qemu: fix CVE-2021-3593 Date: Wed, 2 Feb 2022 10:47:14 -0500 Message-ID: <20220202154720.18976-2-sakib.sajal@windriver.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220202154720.18976-1-sakib.sajal@windriver.com> References: <20220202154720.18976-1-sakib.sajal@windriver.com> MIME-Version: 1.0 X-MIME-Autoconverted: from 8bit to quoted-printable by mail1.wrs.com id 212FlViR024544 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Wed, 02 Feb 2022 15:47:35 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/161215 Signed-off-by: Sakib Sajal --- meta/recipes-devtools/qemu/qemu.inc | 1 + .../qemu/qemu/CVE-2021-3593.patch | 40 +++++++++++++++++++ 2 files changed, 41 insertions(+) create mode 100644 meta/recipes-devtools/qemu/qemu/CVE-2021-3593.patch diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc index 6c00bf274b..6b544a4344 100644 --- a/meta/recipes-devtools/qemu/qemu.inc +++ b/meta/recipes-devtools/qemu/qemu.inc @@ -73,6 +73,7 @@ SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \ file://CVE-2021-3592_1.patch \ file://CVE-2021-3592_2.patch \ file://CVE-2021-3592_3.patch \ + file://CVE-2021-3593.patch \ " UPSTREAM_CHECK_REGEX = "qemu-(?P\d+(\.\d+)+)\.tar" diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2021-3593.patch b/meta/recipes-devtools/qemu/qemu/CVE-2021-3593.patch new file mode 100644 index 0000000000..dd14c240a8 --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/CVE-2021-3593.patch @@ -0,0 +1,40 @@ +From fe99634066e1074aaf55e83b576385877d7e4bcc Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= +Date: Fri, 4 Jun 2021 16:32:55 +0400 +Subject: [PATCH 04/12] upd6: check udp6_input buffer size +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Fixes: CVE-2021-3593 +Fixes: https://gitlab.freedesktop.org/slirp/libslirp/-/issues/45 + +Signed-off-by: Marc-André Lureau + +Upstream-Status: Backport [de71c15de66ba9350bf62c45b05f8fbff166517b] +CVE: CVE-2021-3593 + +Signed-off-by: Sakib Sajal +--- + slirp/src/udp6.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/slirp/src/udp6.c b/slirp/src/udp6.c +index 6f9486bbc..8c490e4d1 100644 +--- a/slirp/src/udp6.c ++++ b/slirp/src/udp6.c +@@ -28,7 +28,10 @@ void udp6_input(struct mbuf *m) + ip = mtod(m, struct ip6 *); + m->m_len -= iphlen; + m->m_data += iphlen; +- uh = mtod(m, struct udphdr *); ++ uh = mtod_check(m, sizeof(struct udphdr)); ++ if (uh == NULL) { ++ goto bad; ++ } + m->m_len += iphlen; + m->m_data -= iphlen; + +-- +2.31.1 +