From patchwork Thu Apr 9 06:18:54 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wang, Jinfeng (CN)" X-Patchwork-Id: 85565 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 22E40E98FC7 for ; Thu, 9 Apr 2026 06:19:11 +0000 (UTC) Received: from mx0b-0064b401.pphosted.com (mx0b-0064b401.pphosted.com [205.220.178.238]) by mx.groups.io with SMTP id smtpd.msgproc02-g2.126483.1775715549138480234 for ; Wed, 08 Apr 2026 23:19:09 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@windriver.com header.s=PPS06212021 header.b=C+VGsW2v; 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=8559144404=jinfeng.wang.cn@windriver.com) Received: from pps.filterd (m0250812.ppops.net [127.0.0.1]) by mx0a-0064b401.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6394sSA81739891 for ; Thu, 9 Apr 2026 06:19:08 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=windriver.com; h=content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=PPS06212021; bh=A9Ms0tQdkb6ZnKHb5zf4nsTuc9oNwvKPNoJBreSK7+Y=; b=C+VGsW2vObU4 kqDIj70PuSQWSIvFO8GQdY5JebnCLopADNmH+5JzYWCgp7AQ3QHFZ8haaBdIXwuO QtgPZa5UjNPPxBrCKxzvJtdnN34/FDnfZHz726ln54HJqxwRp7uYkn+wJgN9k9Zs //1PYpYxvFHm8wI8K3fnM0hR/zQxrBIqcNjmFbRN/e1dIV0RTx4tWRqASup7JU7O +xVssd/v/J30OEdk539uopFMuLcSTfxQs6dq9BDLy+kYf8BEkzqfoy6CJTCQxiOE gIIfTF9exCsvj6o08D4PhASup8wKHiBY4Axx7xct5yDDtKLOTqnW+ryuYVt1s9H9 OJT5bLzjPw== Received: from ala-exchng02.corp.ad.wrs.com (ala-exchng02.wrs.com [128.224.246.37]) by mx0a-0064b401.pphosted.com (PPS) with ESMTPS id 4dcmrybrbb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 09 Apr 2026 06:19:07 +0000 (GMT) Received: from ALA-EXCHNG02.corp.ad.wrs.com (10.11.224.122) by ALA-EXCHNG02.corp.ad.wrs.com (10.11.224.122) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.61; Wed, 8 Apr 2026 23:19:06 -0700 Received: from pek-lpg-core4.wrs.com (10.11.232.110) by ALA-EXCHNG02.corp.ad.wrs.com (10.11.224.122) with Microsoft SMTP Server id 15.1.2507.61 via Frontend Transport; Wed, 8 Apr 2026 23:19:06 -0700 From: To: Subject: [meta-oe][scarthgap][PATCH 01/11] yasm: fix CVE-2021-33454 Date: Thu, 9 Apr 2026 14:18:54 +0800 Message-ID: <20260409061904.1694992-2-jinfeng.wang.cn@windriver.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260409061904.1694992-1-jinfeng.wang.cn@windriver.com> References: <20260409061904.1694992-1-jinfeng.wang.cn@windriver.com> MIME-Version: 1.0 X-Authority-Analysis: v=2.4 cv=QoduG1yd c=1 sm=1 tr=0 ts=69d744dc cx=c_pps a=Lg6ja3A245NiLSnFpY5YKQ==:117 a=Lg6ja3A245NiLSnFpY5YKQ==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=bi6dqmuHe4P4UrxVR6um:22 a=fTW__CHxibyLmBMfj2wP:22 a=xNf9USuDAAAA:8 a=NEAV23lmAAAA:8 a=t7CeM3EgAAAA:8 a=UqCG9HQmAAAA:8 a=uXtSGE2kdRKVYVFo3EAA:9 a=FdTzh2GWekK77mhwV6Dw:22 X-Proofpoint-GUID: zL5ILRFYZ1jpJ99P_aVhMPLgM8xe9y7s X-Proofpoint-ORIG-GUID: zL5ILRFYZ1jpJ99P_aVhMPLgM8xe9y7s X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA5MDA1NCBTYWx0ZWRfXx2LTlhHTAQWp n1+ntY4HlBm4zQq9QfSytzdiQFAYWebnXfaZz+nP4Q8Q1ddzUMN3ZjQOqStBejTE7vPJeypynZK /K/5j4gIL8Q2Jjh2oehWn9lxebsrDkkpLfMB6Kuvg2o/zJeRLgjbP+Y00ncjOqNeVftW3xbsyJy p4FQxoDh0dBo9wLlZ3xOGc3x3SSCkpnhqVGEUgqVODwaSfCdhpCvU9GVo7hb1D4ZN46x/WrPQVP LeH7mBorzL8HvJf0eFdbnsaWnoKfOgwrNMdU5scyBXCpvMgAcfIHP4dzcK2NxBzGGU9TnqKSmHA CHadi9OwZwsBmaS+JL44DRs5Vn/bpaeo1lc3jfBGap6EkPs1yleDaUgDPbJ73r1fIEprTHyPz5u NsvxztGjVMEI3gOpMxRXRnDAqngBHL5V7Zjtd42Q9TUH4cyEBYoC9ioFOPwL1zCvqwNuPFUSVZ1 hNPwOpYgpofKBQVefcg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-09_01,2026-04-08_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 impostorscore=0 bulkscore=0 adultscore=0 priorityscore=1501 phishscore=0 suspectscore=0 lowpriorityscore=0 clxscore=1011 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604090054 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Thu, 09 Apr 2026 06:19:11 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/126112 From: Guocai He An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in yasm_expr_get_intnum() in libyasm/expr.c. Backport patch to fix CVE-2021-33454 per reference [1]. [1]: https://security-tracker.debian.org/tracker/CVE-2021-33454 Signed-off-by: Guocai He Signed-off-by: Jinfeng Wang --- .../yasm/yasm/CVE-2021-33454.patch | 29 +++++++++++++++++++ meta-oe/recipes-devtools/yasm/yasm_git.bb | 1 + 2 files changed, 30 insertions(+) create mode 100644 meta-oe/recipes-devtools/yasm/yasm/CVE-2021-33454.patch diff --git a/meta-oe/recipes-devtools/yasm/yasm/CVE-2021-33454.patch b/meta-oe/recipes-devtools/yasm/yasm/CVE-2021-33454.patch new file mode 100644 index 0000000000..735be93a3f --- /dev/null +++ b/meta-oe/recipes-devtools/yasm/yasm/CVE-2021-33454.patch @@ -0,0 +1,29 @@ +From 9defefae9fbcb6958cddbfa778c1ea8605da8b8b Mon Sep 17 00:00:00 2001 +From: dataisland +Date: Fri, 22 Sep 2023 00:21:20 -0500 +Subject: [PATCH] Fix null-pointer-dereference in yasm_expr_get_intnum (#244) + +CVE: CVE-2021-33454 +Upstream-Status: Backport [https://github.com/yasm/yasm/commit/9defefae9f] + +Signed-off-by: Guocai He +--- + libyasm/expr.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/libyasm/expr.c b/libyasm/expr.c +index 5b0c418b..09ae1121 100644 +--- a/libyasm/expr.c ++++ b/libyasm/expr.c +@@ -1264,7 +1264,7 @@ yasm_expr_get_intnum(yasm_expr **ep, int calc_bc_dist) + { + *ep = yasm_expr_simplify(*ep, calc_bc_dist); + +- if ((*ep)->op == YASM_EXPR_IDENT && (*ep)->terms[0].type == YASM_EXPR_INT) ++ if (*ep && (*ep)->op == YASM_EXPR_IDENT && (*ep)->terms[0].type == YASM_EXPR_INT) + return (*ep)->terms[0].data.intn; + else + return (yasm_intnum *)NULL; +-- +2.34.1 + diff --git a/meta-oe/recipes-devtools/yasm/yasm_git.bb b/meta-oe/recipes-devtools/yasm/yasm_git.bb index 5ba4f67628..84503e9a8a 100644 --- a/meta-oe/recipes-devtools/yasm/yasm_git.bb +++ b/meta-oe/recipes-devtools/yasm/yasm_git.bb @@ -20,6 +20,7 @@ SRC_URI = "git://github.com/yasm/yasm.git;branch=master;protocol=https \ file://CVE-2023-29579.patch \ file://CVE-2021-33464.patch \ file://CVE-2021-33456.patch \ + file://CVE-2021-33454.patch \ " S = "${WORKDIR}/git"