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d="scan'208";a="536524179" Received: from rcdn-l-core-05.cisco.com ([173.37.255.142]) by rcdn-iport-5.cisco.com with ESMTP/TLS/TLS_AES_256_GCM_SHA384; 16 Oct 2026 07:46:44 +0000 Received: from sjc-ads-5675.cisco.com (sjc-ads-5675.cisco.com [10.28.88.189]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by rcdn-l-core-05.cisco.com (Postfix) with ESMTPS id 60D9418000354; Fri, 16 Oct 2026 07:46:44 +0000 (GMT) Received: by sjc-ads-5675.cisco.com (Postfix, from userid 1887444) id 0CDF6CBF203; Fri, 16 Oct 2026 00:46:44 -0700 (PDT) From: "Darsh Kelaiya -X (dkelaiya - E INFOCHIPS PRIVATE LIMITED at Cisco)" To: openembedded-devel@lists.openembedded.org Cc: Darsh Kelaiya Subject: [oe][meta-filesystems][scarthgap][PATCH 3/7] ntfs-3g-ntfsprogs: fix CVE-2026-46570 Date: Fri, 16 Oct 2026 00:46:36 -0700 Message-Id: <20261016074640.3986037-4-dkelaiya@cisco.com> X-Mailer: git-send-email 2.35.6 In-Reply-To: <20261016074640.3986037-1-dkelaiya@cisco.com> References: <20261016074640.3986037-1-dkelaiya@cisco.com> MIME-Version: 1.0 X-Outbound-Client-TLS: ANONYMOUS;sjc-ads-5675.cisco.com [10.28.88.189];TLSv1.3;TLS_AES_256_GCM_SHA384;256 X-Outbound-SMTP-Client: 10.28.88.189, sjc-ads-5675.cisco.com X-Outbound-Node: rcdn-l-core-05.cisco.com 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 ; Fri, 16 Oct 2026 07:46:47 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-devel/message/131071 From: Darsh Kelaiya This patch applies the upstream fix shown in [1]. The NVD record describing the vulnerability is referenced in [2]. [1] https://github.com/tuxera/ntfs-3g/commit/5ab37421ebbcbf33bf96876c7a034393bda05a25 [2] https://nvd.nist.gov/vuln/detail/CVE-2026-46570 Signed-off-by: Darsh Kelaiya --- .../files/CVE-2026-46570.patch | 42 +++++++++++++++++++ .../ntfs-3g-ntfsprogs_2022.10.3.bb | 1 + 2 files changed, 43 insertions(+) create mode 100644 meta-filesystems/recipes-filesystems/ntfs-3g-ntfsprogs/files/CVE-2026-46570.patch diff --git a/meta-filesystems/recipes-filesystems/ntfs-3g-ntfsprogs/files/CVE-2026-46570.patch b/meta-filesystems/recipes-filesystems/ntfs-3g-ntfsprogs/files/CVE-2026-46570.patch new file mode 100644 index 0000000000..fb76bc80b1 --- /dev/null +++ b/meta-filesystems/recipes-filesystems/ntfs-3g-ntfsprogs/files/CVE-2026-46570.patch @@ -0,0 +1,42 @@ +From bb4da656cab16325002eaf785ca967d426510e94 Mon Sep 17 00:00:00 2001 +From: Rakesh Pandit +Date: Mon, 8 Jun 2026 14:24:54 +0300 +Subject: [PATCH] Cap B tree depth in ntfs_index_walk_down to MAX_PARENT_VCN. + +ntfs_index_walk_down() incremented ictx->pindex and wrote into +ictx->parent_pos[] / parent_vcn[] (both sized MAX_PARENT_VCN) without +checking the bound. A B+tree deeper than MAX_PARENT_VCN levels then +overflowed both arrays and since parent_vcn[32] overlaps the pindex +field the OOB write gave an attacker control over the next iteration's +offset and value. + +Thanks to Alexandro Calo' from Nozomi Networks Labs for reporting this +issue. + +CVE: CVE-2026-46570 +Upstream-Status: Backport [https://github.com/tuxera/ntfs-3g/commit/5ab37421ebbcbf33bf96876c7a034393bda05a25] + +(cherry picked from commit 5ab37421ebbcbf33bf96876c7a034393bda05a25) +Signed-off-by: Darsh Kelaiya +--- + libntfs-3g/index.c | 7 +++++++ + 1 file changed, 7 insertions(+) + +diff --git a/libntfs-3g/index.c b/libntfs-3g/index.c +index c9651a62..9c11a45c 100644 +--- a/libntfs-3g/index.c ++++ b/libntfs-3g/index.c +@@ -2105,6 +2105,13 @@ static INDEX_ENTRY *ntfs_index_walk_down(INDEX_ENTRY *ie, + /* down from non-zero level */ + + ictx->pindex++; ++ if (ictx->pindex >= MAX_PARENT_VCN) { ++ errno = EOPNOTSUPP; ++ ntfs_log_perror("Index is over %d level deep", ++ MAX_PARENT_VCN); ++ entry = (INDEX_ENTRY*)NULL; ++ break; ++ } + } + ictx->parent_pos[ictx->pindex] = 0; + ictx->parent_vcn[ictx->pindex] = vcn; diff --git a/meta-filesystems/recipes-filesystems/ntfs-3g-ntfsprogs/ntfs-3g-ntfsprogs_2022.10.3.bb b/meta-filesystems/recipes-filesystems/ntfs-3g-ntfsprogs/ntfs-3g-ntfsprogs_2022.10.3.bb index c6517581b8..97663fd109 100644 --- a/meta-filesystems/recipes-filesystems/ntfs-3g-ntfsprogs/ntfs-3g-ntfsprogs_2022.10.3.bb +++ b/meta-filesystems/recipes-filesystems/ntfs-3g-ntfsprogs/ntfs-3g-ntfsprogs_2022.10.3.bb @@ -12,6 +12,7 @@ SRC_URI = "http://tuxera.com/opensource/ntfs-3g_ntfsprogs-${PV}.tgz \ file://CVE-2026-46572_CVE-2026-42617_p2.patch \ file://CVE-2026-46572_CVE-2026-42617_p3.patch \ file://CVE-2026-46571.patch \ + file://CVE-2026-46570.patch \ " S = "${WORKDIR}/ntfs-3g_ntfsprogs-${PV}" SRC_URI[sha256sum] = "f20e36ee68074b845e3629e6bced4706ad053804cbaf062fbae60738f854170c"