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Sun, 11 Oct 2026 17:11:21 -0700 (PDT) Received: from NVAPF55DW0D-IPD.brunswick.com ([203.211.105.219]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ab3966dc7dsm7850379a91.2.2026.10.11.17.11.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 Oct 2026 17:11:21 -0700 (PDT) From: ankur.tyagi85@gmail.com To: openembedded-devel@lists.openembedded.org Cc: Ankur Tyagi , Anuj Mittal Subject: [oe][meta-oe][PATCH 25/28] libyang: patch CVE-2026-41401 Date: Mon, 12 Oct 2026 13:10:03 +1300 Message-ID: <20261012001007.2541673-25-ankur.tyagi85@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261012001007.2541673-1-ankur.tyagi85@gmail.com> References: <20261012001007.2541673-1-ankur.tyagi85@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 ; Mon, 12 Oct 2026 00:11:23 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/130750 From: Ankur Tyagi Backport patch identified by Debian[1] Details: https://nvd.nist.gov/vuln/detail/cve-2026-41401 [1]https://security-tracker.debian.org/tracker/CVE-2026-41401 Signed-off-by: Ankur Tyagi Signed-off-by: Anuj Mittal (cherry picked from commit 6b06704ac1bae4ef4831384f0c28d14e98c804b8) Signed-off-by: Ankur Tyagi --- .../libyang/libyang/CVE-2026-41401.patch | 43 +++++++++++++++++++ .../libyang/libyang_3.13.6.bb | 1 + 2 files changed, 44 insertions(+) create mode 100644 meta-oe/recipes-extended/libyang/libyang/CVE-2026-41401.patch diff --git a/meta-oe/recipes-extended/libyang/libyang/CVE-2026-41401.patch b/meta-oe/recipes-extended/libyang/libyang/CVE-2026-41401.patch new file mode 100644 index 00000000000..06537acbb82 --- /dev/null +++ b/meta-oe/recipes-extended/libyang/libyang/CVE-2026-41401.patch @@ -0,0 +1,43 @@ +From 34b2a26ee86716e2b593c44e51e38ee15d4e8434 Mon Sep 17 00:00:00 2001 +From: Michal Vasko +Date: Thu, 26 Mar 2026 08:33:44 +0100 +Subject: [PATCH] parser common BUGFIX invalid metadata removal + +(cherry picked from commit 54c3276d871023da266d4ed3ceaee7e8d71d0b04) + +CVE: CVE-2026-41401 +Upstream-Status: Backport [https://github.com/CESNET/libyang/commit/54c3276d871023da266d4ed3ceaee7e8d71d0b04] + +Signed-off-by: Ankur Tyagi +--- + src/parser_common.c | 4 ++-- + tests/fuzz/corpus/lyd_parse_mem_xml/advisory2026_03_26 | 5 +++++ + 2 files changed, 7 insertions(+), 2 deletions(-) + create mode 100644 tests/fuzz/corpus/lyd_parse_mem_xml/advisory2026_03_26 + +diff --git a/src/parser_common.c b/src/parser_common.c +index 0b221af72..fefe723eb 100644 +--- a/src/parser_common.c ++++ b/src/parser_common.c +@@ -413,8 +413,8 @@ lyd_parser_set_data_flags(struct lyd_node *node, struct lyd_meta **meta, struct + next_meta = meta2->next; + + /* delete the metadata */ +- if (meta != &node->meta) { +- *meta = (*meta)->next; ++ if ((meta != &node->meta) && (meta2 == *meta)) { ++ *meta = next_meta; + } + lyd_free_meta_single(meta2); + if (prev_meta) { +diff --git a/tests/fuzz/corpus/lyd_parse_mem_xml/advisory2026_03_26 b/tests/fuzz/corpus/lyd_parse_mem_xml/advisory2026_03_26 +new file mode 100644 +index 000000000..7e3b6c39e +--- /dev/null ++++ b/tests/fuzz/corpus/lyd_parse_mem_xml/advisory2026_03_26 +@@ -0,0 +1,5 @@ ++5 diff --git a/meta-oe/recipes-extended/libyang/libyang_3.13.6.bb b/meta-oe/recipes-extended/libyang/libyang_3.13.6.bb index 822c30ba24b..7724b4c2189 100644 --- a/meta-oe/recipes-extended/libyang/libyang_3.13.6.bb +++ b/meta-oe/recipes-extended/libyang/libyang_3.13.6.bb @@ -11,6 +11,7 @@ SRCREV = "c2ddd01b9b810a30d6a7d6749a3bc9adeb7b01fb" SRC_URI = "git://github.com/CESNET/libyang.git;branch=master;protocol=https;tag=v${PV} \ file://0001-test_context-skip-test-case-test_searchdirs.patch \ file://run-ptest \ + file://CVE-2026-41401.patch \ "