[oe][meta-oe][wrynose][PATCH 17/28] freeipmi: patch CVE-2026-50031

[ankur.tyagi85@gmail.com]

From: Ankur Tyagi <ankur.tyagi85@gmail.com>

Backport patches fixing bugs[1][2] associated with the CVE.

Details:
https://nvd.nist.gov/vuln/detail/cve-2026-50031

[1] https://savannah.gnu.org/bugs/index.php?68363
[2] https://savannah.gnu.org/bugs/index.php?68364

Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
---
 .../freeipmi/freeipmi/CVE-2026-50031-1.patch  | 33 +++++++++++++++++++
 .../freeipmi/freeipmi/CVE-2026-50031-2.patch  | 33 +++++++++++++++++++
 .../freeipmi/freeipmi_1.6.17.bb               |  5 ++-
 3 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 meta-oe/recipes-support/freeipmi/freeipmi/CVE-2026-50031-1.patch
 create mode 100644 meta-oe/recipes-support/freeipmi/freeipmi/CVE-2026-50031-2.patch

diff --git a/meta-oe/recipes-support/freeipmi/freeipmi/CVE-2026-50031-1.patch b/meta-oe/recipes-support/freeipmi/freeipmi/CVE-2026-50031-1.patch
new file mode 100644
index 0000000000..e73368f473
--- /dev/null
+++ b/meta-oe/recipes-support/freeipmi/freeipmi/CVE-2026-50031-1.patch
@@ -0,0 +1,33 @@
+From 651119e671c7a64e72a79218f87b9f397037383b Mon Sep 17 00:00:00 2001
+From: Albert Chu <chu11@llnl.gov>
+Date: Tue, 19 May 2026 14:44:41 -0700
+Subject: [PATCH] ipmi-oem: fix potential stack corruption
+
+Problem: A buffer was incorrectly defined with a length of 256 bytes
+when it should have been 65536 bytes.
+
+Update the buffer length.
+
+CVE: CVE-2026-50031
+Upstream-Status: Backport [https://cgit.git.savannah.gnu.org/cgit/freeipmi.git/commit/?id=f49a6076b640d802a9a80064089e772b4baa5335]
+
+Dropped changes done to the ChangeLog file.
+
+Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
+---
+ ipmi-oem/ipmi-oem-dell.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/ipmi-oem/ipmi-oem-dell.c b/ipmi-oem/ipmi-oem-dell.c
+index cf3bad244..f322cdfb8 100644
+--- a/ipmi-oem/ipmi-oem-dell.c
++++ b/ipmi-oem/ipmi-oem-dell.c
+@@ -4207,7 +4207,7 @@ ipmi_oem_dell_set_web_server_config (ipmi_oem_state_data_t *state_data)
+ int
+ ipmi_oem_dell_get_active_directory_config (ipmi_oem_state_data_t *state_data)
+ {
+-  uint8_t token_data[IPMI_OEM_MAX_BYTES];
++  uint8_t token_data[IPMI_OEM_DELL_TOKEN_DATA_MAX];
+   uint16_t expected_valid_field_mask = IPMI_OEM_DELL_EXTENDED_CONFIG_AD_CONFIGURATION_ALL_FIELD_MASK;
+   unsigned int token_data_read = 0;
+   unsigned int min_token_data_read = 0;
diff --git a/meta-oe/recipes-support/freeipmi/freeipmi/CVE-2026-50031-2.patch b/meta-oe/recipes-support/freeipmi/freeipmi/CVE-2026-50031-2.patch
new file mode 100644
index 0000000000..b44799cffc
--- /dev/null
+++ b/meta-oe/recipes-support/freeipmi/freeipmi/CVE-2026-50031-2.patch
@@ -0,0 +1,33 @@
+From 1a7113599aa8926f133b5686c7e9b460d009a4e0 Mon Sep 17 00:00:00 2001
+From: Albert Chu <chu11@llnl.gov>
+Date: Tue, 19 May 2026 15:53:50 -0700
+Subject: [PATCH] ipmi-oem: fix potential stack overflow
+
+Problem: A buffer could incorrectly be overflowed in a fujitsu
+command.
+
+Add a guardrail to ensure no overflow.
+
+CVE: CVE-2026-50031
+Upstream-Status: Backport [https://cgit.git.savannah.gnu.org/cgit/freeipmi.git/commit/?id=60dd7014c0b1402c881ef389f4e79ebb7a9e26c4]
+
+Dropped changes to the ChangeLog file.
+
+Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
+---
+ ipmi-oem/ipmi-oem-fujitsu.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/ipmi-oem/ipmi-oem-fujitsu.c b/ipmi-oem/ipmi-oem-fujitsu.c
+index 2f505229f..10220c9fc 100644
+--- a/ipmi-oem/ipmi-oem-fujitsu.c
++++ b/ipmi-oem/ipmi-oem-fujitsu.c
+@@ -1384,6 +1384,8 @@ ipmi_oem_fujitsu_get_sel_entry_long_text (ipmi_oem_state_data_t *state_data)
+         }
+ 
+       data_length = bytes_rs[15];
++      if (data_length > IPMI_OEM_FUJITSU_SEL_ENTRY_LONG_TEXT_MAX_DATA_LENGTH)
++        data_length = IPMI_OEM_FUJITSU_SEL_ENTRY_LONG_TEXT_MAX_DATA_LENGTH;
+ 
+       /* Every response should be NUL terminated, not just the last
+        * component.
diff --git a/meta-oe/recipes-support/freeipmi/freeipmi_1.6.17.bb b/meta-oe/recipes-support/freeipmi/freeipmi_1.6.17.bb
index 7970e0f563..f612caf3ac 100644
--- a/meta-oe/recipes-support/freeipmi/freeipmi_1.6.17.bb
+++ b/meta-oe/recipes-support/freeipmi/freeipmi_1.6.17.bb
@@ -13,7 +13,10 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504 \
                     file://COPYING.pstdout;md5=d32239bcb673463ab874e80d47fae504 \
                     file://COPYING.sunbmc;md5=c03f21cd76ff5caba6b890d1213cbfbb"
 
-SRC_URI = "${GNU_MIRROR}/freeipmi/freeipmi-${PV}.tar.gz"
+SRC_URI = "${GNU_MIRROR}/freeipmi/freeipmi-${PV}.tar.gz \
+           file://CVE-2026-50031-1.patch \
+           file://CVE-2026-50031-2.patch \
+"
 SRC_URI[sha256sum] = "16783d10faa28847a795cce0bf86deeaa72b8fbe71d1f0dc1101d13a6b501ec1"
 
 DEPENDS = "libgcrypt"