hdf5: fix CVE-2025-2310

According to [1], A vulnerability was found in HDF5 1.14.6 and classified
as critical. This issue affects the function H5MM_strndup of the component
Metadata Attribute Decoder. The manipulation leads to heap-based buffer
overflow. Attacking locally is a requirement. The exploit has been
disclosed to the public and may be used.

Backport patch [2] from upstream to fix CVE-2025-2310

[1] https://nvd.nist.gov/vuln/detail/CVE-2025-2310
[2] https://github.com/HDFGroup/hdf5/commit/6c86f97e03c6dc7d7bd2bae9acc422bdc3438ff4

Signed-off-by: Libo Chen <libo.chen.cn@windriver.com>
Signed-off-by: Jinfeng Wang <jinfeng.wang.cn@windriver.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>

2 files changed, 38 insertions, 0 deletions

diff --git a/meta-oe/recipes-support/hdf5/files/CVE-2025-2310.patch b/meta-oe/recipes-support/hdf5/files/CVE-2025-2310.patch
new file mode 100644
index 0000000000..8ac74737d8
--- /dev/null
+++ b/meta-oe/recipes-support/hdf5/files/CVE-2025-2310.patch
@@ -0,0 +1,37 @@
+From 89a4466d72f688f4da6521e82a466c183ebe1d08 Mon Sep 17 00:00:00 2001
+From: Libo Chen <libo.chen.cn@windriver.com>
+Date: Fri, 30 Jan 2026 14:05:54 +0800
+Subject: [PATCH] Fix CVE-2025-2310
+
+Malformed files can have a zero name-length, which when subtracted lead to an overflow and an out-of-bounds read.
+
+Check that name length is not too small in addition to checking for an overflow directly.
+
+CVE: CVE-2025-2310
+
+Upstream-Status: Backport [https://github.com/HDFGroup/hdf5/commit/6c86f97e03c6dc7d7bd2bae9acc422bdc3438ff4]
+
+Signed-off-by: Libo Chen <libo.chen.cn@windriver.com>
+---
+ src/H5Oattr.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/src/H5Oattr.c b/src/H5Oattr.c
+index 6d1d237..7b7ebb0 100644
+--- a/src/H5Oattr.c
++++ b/src/H5Oattr.c
+@@ -167,6 +167,11 @@ H5O__attr_decode(H5F_t *f, H5O_t *open_oh, unsigned H5_ATTR_UNUSED mesg_flags, u
+     if (H5_IS_BUFFER_OVERFLOW(p, 2, p_end))
+         HGOTO_ERROR(H5E_OHDR, H5E_OVERFLOW, NULL, "ran off end of input buffer while decoding");
+     UINT16DECODE(p, name_len); /* Including null */
++
++    /* Verify that retrieved name length (including null byte) is valid */
++    if (name_len <= 1)
++        HGOTO_ERROR(H5E_OHDR, H5E_CANTDECODE, NULL, "decoded name length is invalid");
++
+     if (H5_IS_BUFFER_OVERFLOW(p, 2, p_end))
+         HGOTO_ERROR(H5E_OHDR, H5E_OVERFLOW, NULL, "ran off end of input buffer while decoding");
+     UINT16DECODE(p, attr->shared->dt_size);
+-- 
+2.34.1
+
diff --git a/meta-oe/recipes-support/hdf5/hdf5_1.14.4-3.bb b/meta-oe/recipes-support/hdf5/hdf5_1.14.4-3.bb
index 09793b3d74..b1cab21e0f 100644
--- a/meta-oe/recipes-support/hdf5/hdf5_1.14.4-3.bb
+++ b/meta-oe/recipes-support/hdf5/hdf5_1.14.4-3.bb
@@ -25,6 +25,7 @@ SRC_URI = " \
     file://CVE-2025-6269-CVE-2025-6270-CVE-2025-6516_02.patch \
     file://CVE-2025-2926.patch \
     file://CVE-2025-2153.patch \
+    file://CVE-2025-2310.patch \
 "
 SRC_URI[sha256sum] = "019ac451d9e1cf89c0482ba2a06f07a46166caf23f60fea5ef3c37724a318e03"