From patchwork Fri Nov 22 09:53:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxu Jia X-Patchwork-Id: 52971 X-Patchwork-Delegate: steve@sakoman.com 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 2BF64D75BAA for ; Fri, 22 Nov 2024 09:53:25 +0000 (UTC) Received: from mx0b-0064b401.pphosted.com (mx0b-0064b401.pphosted.com [205.220.178.238]) by mx.groups.io with SMTP id smtpd.web11.21031.1732269197134172925 for ; Fri, 22 Nov 2024 01:53:17 -0800 Authentication-Results: mx.groups.io; dkim=none (message not signed); spf=permerror, err=parse error for token &{10 18 %{ir}.%{v}.%{d}.spf.has.pphosted.com}: invalid domain name (domain: windriver.com, ip: 205.220.178.238, mailfrom: prvs=105629bf38=hongxu.jia@windriver.com) Received: from pps.filterd (m0250812.ppops.net [127.0.0.1]) by mx0a-0064b401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4AM9VCaO026508 for ; Fri, 22 Nov 2024 09:53:16 GMT Received: from ala-exchng01.corp.ad.wrs.com (ala-exchng01.wrs.com [147.11.82.252]) by mx0a-0064b401.pphosted.com (PPS) with ESMTPS id 42xjc8enx9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 22 Nov 2024 09:53:16 +0000 (GMT) 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 15.1.2507.43; Fri, 22 Nov 2024 01:53:15 -0800 Received: from pek-lpg-core5.wrs.com (147.11.136.210) by ala-exchng01.corp.ad.wrs.com (147.11.82.252) with Microsoft SMTP Server id 15.1.2507.43 via Frontend Transport; Fri, 22 Nov 2024 01:53:14 -0800 From: Hongxu Jia To: Subject: [kirkstone][PATCH 1/2] ovmf: fix CVE-2024-38796 Date: Fri, 22 Nov 2024 17:53:12 +0800 Message-ID: <20241122095313.1730482-1-hongxu.jia@windriver.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Proofpoint-GUID: EYXIUOrAz7LY_p8IAD55Q9xbppuJt3uu X-Authority-Analysis: v=2.4 cv=R6hRGsRX c=1 sm=1 tr=0 ts=6740548c cx=c_pps a=/ZJR302f846pc/tyiSlYyQ==:117 a=/ZJR302f846pc/tyiSlYyQ==:17 a=VlfZXiiP6vEA:10 a=NEAV23lmAAAA:8 a=t7CeM3EgAAAA:8 a=yMhMjlubAAAA:8 a=QyXUC8HyAAAA:8 a=qt-1hB-tNSDAmjCVnBUA:9 a=FdTzh2GWekK77mhwV6Dw:22 X-Proofpoint-ORIG-GUID: EYXIUOrAz7LY_p8IAD55Q9xbppuJt3uu X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-11-22_04,2024-11-21_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 mlxscore=0 malwarescore=0 adultscore=0 spamscore=0 mlxlogscore=752 priorityscore=1501 lowpriorityscore=0 suspectscore=0 bulkscore=0 impostorscore=0 classifier=spam authscore=0 adjust=0 reason=mlx scancount=1 engine=8.21.0-2409260000 definitions=main-2411220083 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 ; Fri, 22 Nov 2024 09:53:25 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/207596 Backport a fix from upstream to resolve CVE-2024-38796 https://github.com/tianocore/edk2/commit/c95233b8525ca6828921affd1496146cff262e65 Signed-off-by: Hongxu Jia --- ...-Fix-overflow-issue-in-BasePeCoffLib.patch | 37 +++++++++++++++++++ meta/recipes-core/ovmf/ovmf_git.bb | 1 + 2 files changed, 38 insertions(+) create mode 100644 meta/recipes-core/ovmf/ovmf/0001-MdePkg-Fix-overflow-issue-in-BasePeCoffLib.patch diff --git a/meta/recipes-core/ovmf/ovmf/0001-MdePkg-Fix-overflow-issue-in-BasePeCoffLib.patch b/meta/recipes-core/ovmf/ovmf/0001-MdePkg-Fix-overflow-issue-in-BasePeCoffLib.patch new file mode 100644 index 0000000000..8d36bdf1c1 --- /dev/null +++ b/meta/recipes-core/ovmf/ovmf/0001-MdePkg-Fix-overflow-issue-in-BasePeCoffLib.patch @@ -0,0 +1,37 @@ +From c4d6af8428375c0343fcfd20bf1465e6d4be4690 Mon Sep 17 00:00:00 2001 +From: Doug Flick +Date: Fri, 22 Nov 2024 17:44:27 +0800 +Subject: [PATCH] MdePkg: Fix overflow issue in BasePeCoffLib + +The RelocDir->Size is a UINT32 value, and RelocDir->VirtualAddress is +also a UINT32 value. The current code does not check for overflow when +adding RelocDir->Size to RelocDir->VirtualAddress. This patch adds a +check to ensure that the addition does not overflow. + +Signed-off-by: Doug Flick +Authored-by: sriraamx gobichettipalayam + +CVE: CVE-2024-38796 +Upstream-Status: Backport [https://github.com/tianocore/edk2/commit/c95233b8525ca6828921affd1496146cff262e65] + +Signed-off-by: Hongxu Jia +--- + MdePkg/Library/BasePeCoffLib/BasePeCoff.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/MdePkg/Library/BasePeCoffLib/BasePeCoff.c b/MdePkg/Library/BasePeCoffLib/BasePeCoff.c +index 6d8d9faeb8..2339b111b5 100644 +--- a/MdePkg/Library/BasePeCoffLib/BasePeCoff.c ++++ b/MdePkg/Library/BasePeCoffLib/BasePeCoff.c +@@ -1014,7 +1014,7 @@ PeCoffLoaderRelocateImage ( + RelocDir = &Hdr.Te->DataDirectory[0]; + } + +- if ((RelocDir != NULL) && (RelocDir->Size > 0)) { ++ if ((RelocDir != NULL) && (RelocDir->Size > 0) && (RelocDir->Size - 1 < MAX_UINT32 - RelocDir->VirtualAddress)) { + RelocBase = (EFI_IMAGE_BASE_RELOCATION *)PeCoffLoaderImageAddress (ImageContext, RelocDir->VirtualAddress, TeStrippedOffset); + RelocBaseEnd = (EFI_IMAGE_BASE_RELOCATION *)PeCoffLoaderImageAddress ( + ImageContext, +-- +2.34.1 + diff --git a/meta/recipes-core/ovmf/ovmf_git.bb b/meta/recipes-core/ovmf/ovmf_git.bb index 1dba709824..e626d306a4 100644 --- a/meta/recipes-core/ovmf/ovmf_git.bb +++ b/meta/recipes-core/ovmf/ovmf_git.bb @@ -53,6 +53,7 @@ SRC_URI = "gitsm://github.com/tianocore/edk2.git;branch=master;protocol=https \ file://CVE-2022-36765-0001.patch \ file://CVE-2022-36765-0002.patch \ file://CVE-2022-36765-0003.patch \ + file://0001-MdePkg-Fix-overflow-issue-in-BasePeCoffLib.patch \ " PV = "edk2-stable202202"