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d="scan'208";a="536760706" Received: from rcdn-l-core-09.cisco.com ([173.37.255.146]) by rcdn-iport-3.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-09.cisco.com (Postfix) with ESMTPS id B6E9018000238; Fri, 16 Oct 2026 07:46:44 +0000 (GMT) Received: by sjc-ads-5675.cisco.com (Postfix, from userid 1887444) id 16A6FCBEF8A; 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 6/7] ntfs-3g-ntfsprogs: fix CVE-2026-42616 Date: Fri, 16 Oct 2026 00:46:39 -0700 Message-Id: <20261016074640.3986037-7-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-09.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/131077 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/dc1b682e99b6c055b0281ca543a8420b698420d1 [2] https://nvd.nist.gov/vuln/detail/CVE-2026-42616 Signed-off-by: Darsh Kelaiya --- .../files/CVE-2026-42616.patch | 70 +++++++++++++++++++ .../ntfs-3g-ntfsprogs_2022.10.3.bb | 1 + 2 files changed, 71 insertions(+) create mode 100644 meta-filesystems/recipes-filesystems/ntfs-3g-ntfsprogs/files/CVE-2026-42616.patch diff --git a/meta-filesystems/recipes-filesystems/ntfs-3g-ntfsprogs/files/CVE-2026-42616.patch b/meta-filesystems/recipes-filesystems/ntfs-3g-ntfsprogs/files/CVE-2026-42616.patch new file mode 100644 index 0000000000..26858a3537 --- /dev/null +++ b/meta-filesystems/recipes-filesystems/ntfs-3g-ntfsprogs/files/CVE-2026-42616.patch @@ -0,0 +1,70 @@ +From 96f3c15677c6aa0251798eef74a5a4c376523ee3 Mon Sep 17 00:00:00 2001 +From: Erik Larsson +Date: Fri, 24 Apr 2026 12:18:24 +0300 +Subject: [PATCH] ntfscat.c: Fix reading outside the buffer when block size > + buffer size. + +The block size may be read from the index root's 'index_block_size' +member, and isn't guaranteed to be >= 4096 (as far as I can tell it +could be larger). This would for MST protected records lead to storing +data past the end of the allocated buffer. + +Fixed by allocating the necessary amount of buffer space for the case +when the block size exceeds 4096. + +Thanks to Alexandro Calo' from Nozomi Networks Labs for reporting this +issue. + +CVE: CVE-2026-42616 +Upstream-Status: Backport [https://github.com/tuxera/ntfs-3g/commit/dc1b682e99b6c055b0281ca543a8420b698420d1] + +(cherry picked from commit dc1b682e99b6c055b0281ca543a8420b698420d1) +Signed-off-by: Darsh Kelaiya +--- + ntfsprogs/ntfscat.c | 16 ++++++++++------ + 1 file changed, 10 insertions(+), 6 deletions(-) + +diff --git a/ntfsprogs/ntfscat.c b/ntfsprogs/ntfscat.c +index b8af2503..0f711815 100644 +--- a/ntfsprogs/ntfscat.c ++++ b/ntfsprogs/ntfscat.c +@@ -334,22 +334,17 @@ static int index_get_size(ntfs_inode *inode) + static int cat(ntfs_volume *vol, ntfs_inode *inode, ATTR_TYPES type, + ntfschar *name, int namelen) + { +- const int bufsize = 4096; + char *buffer; + ntfs_attr *attr; + s64 bytes_read, written; + s64 offset; + u32 block_size; +- +- buffer = malloc(bufsize); +- if (!buffer) +- return 1; ++ u32 bufsize = 4096; + + attr = ntfs_attr_open(inode, type, name, namelen); + if (!attr) { + ntfs_log_error("Cannot find attribute type 0x%x.\n", + le32_to_cpu(type)); +- free(buffer); + return 1; + } + +@@ -360,6 +355,15 @@ static int cat(ntfs_volume *vol, ntfs_inode *inode, ATTR_TYPES type, + else + block_size = 0; + ++ if (bufsize < block_size) { ++ bufsize = block_size; ++ } ++ ++ buffer = malloc(bufsize); ++ if (!buffer) { ++ return 1; ++ } ++ + offset = 0; + for (;;) { + if (!opts.raw && block_size > 0) { 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 6489ac3d27..5ecda1f66f 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 @@ -16,6 +16,7 @@ SRC_URI = "http://tuxera.com/opensource/ntfs-3g_ntfsprogs-${PV}.tgz \ file://CVE-2026-46569.patch \ file://CVE-2026-42618_p1.patch \ file://CVE-2026-42618_p2.patch \ + file://CVE-2026-42616.patch \ " S = "${WORKDIR}/ntfs-3g_ntfsprogs-${PV}" SRC_URI[sha256sum] = "f20e36ee68074b845e3629e6bced4706ad053804cbaf062fbae60738f854170c"