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Sun, 30 Nov 2025 11:44:17 -0800 (PST) Received: from desktop ([51.154.145.205]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42e1ca4078csm21399153f8f.29.2025.11.30.11.44.17 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Nov 2025 11:44:17 -0800 (PST) From: Gyorgy Sarvari To: openembedded-devel@lists.openembedded.org Subject: [meta-oe][kirkstone][PATCH 3/7] yasm: patch CVE-2021-33464 Date: Sun, 30 Nov 2025 20:44:10 +0100 Message-ID: <20251130194414.2335669-3-skandigraun@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251130194414.2335669-1-skandigraun@gmail.com> References: <20251130194414.2335669-1-skandigraun@gmail.com> MIME-Version: 1.0 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 ; Sun, 30 Nov 2025 19:44:26 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/122176 Details: https://nvd.nist.gov/vuln/detail/CVE-2021-33464 The patch was taken from Debian: https://sources.debian.org/patches/yasm/1.3.0-8/1010-nasm-pp-no-env-CVE-2021-33464.patch/ Signed-off-by: Gyorgy Sarvari Signed-off-by: Khem Raj (cherry picked from commit 66a0b01b52e5d1cd2af4c41ae0b67541464874e6) --- .../yasm/yasm/CVE-2021-33464.patch | 34 +++++++++++++++++++ meta-oe/recipes-devtools/yasm/yasm_git.bb | 1 + 2 files changed, 35 insertions(+) create mode 100644 meta-oe/recipes-devtools/yasm/yasm/CVE-2021-33464.patch diff --git a/meta-oe/recipes-devtools/yasm/yasm/CVE-2021-33464.patch b/meta-oe/recipes-devtools/yasm/yasm/CVE-2021-33464.patch new file mode 100644 index 0000000000..ebae250ff9 --- /dev/null +++ b/meta-oe/recipes-devtools/yasm/yasm/CVE-2021-33464.patch @@ -0,0 +1,34 @@ +From 3c3f968d48d768c1e355199d4067d99cb72abc26 Mon Sep 17 00:00:00 2001 +From: Gyorgy Sarvari +Date: Sat, 15 Nov 2025 13:30:12 +0100 +Subject: [PATCH] Handle file descriptors with nonexisting env names better. + Avoid writing past allocated memory. + +This fixes CVE-2021-33464. +Author: Petter Reinholdtsen +Bug: https://github.com/yasm/yasm/issues/164 +Bug-Debian: https://bugs.debian.org/1016353 +Forwarded: https://github.com/yasm/yasm/issues/164 +Last-Update: 2025-04-30 + +CVE: CVE-2021-33464 +Upstream-Status: Submitted [https://github.com/yasm/yasm/issues/164] + +Signed-off-by: Gyorgy Sarvari +--- + modules/preprocs/nasm/nasm-pp.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/modules/preprocs/nasm/nasm-pp.c b/modules/preprocs/nasm/nasm-pp.c +index 512f02c3..f9f92dd1 100644 +--- a/modules/preprocs/nasm/nasm-pp.c ++++ b/modules/preprocs/nasm/nasm-pp.c +@@ -1815,7 +1815,7 @@ inc_fopen(char *file, char **newname) + error(ERR_WARNING, "environment variable `%s' does not exist", + p1+1); + *p2 = '%'; +- p1 = p2+1; ++ pb = p1 = p2+1; + continue; + } + /* need to expand */ diff --git a/meta-oe/recipes-devtools/yasm/yasm_git.bb b/meta-oe/recipes-devtools/yasm/yasm_git.bb index d89f9aebe3..08a9ccab50 100644 --- a/meta-oe/recipes-devtools/yasm/yasm_git.bb +++ b/meta-oe/recipes-devtools/yasm/yasm_git.bb @@ -15,6 +15,7 @@ SRC_URI = "git://github.com/yasm/yasm.git;branch=master;protocol=https \ file://CVE-2023-37732.patch \ file://CVE-2024-22653.patch \ file://CVE-2023-29579.patch \ + file://CVE-2021-33464.patch \ " S = "${WORKDIR}/git"