ofono: patch CVE-2024-7537

Pick commit
https://web.git.kernel.org/pub/scm/network/ofono/ofono.git/commit/?id=e6d8d526d5077c0b6ab459efeb6b882c28e0fdeb

(From OE-Core rev: 7f3a567b8e1446863e6c5c4336b4cb174592f799)

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

2 files changed, 60 insertions, 0 deletions

diff --git a/meta/recipes-connectivity/ofono/ofono/CVE-2024-7537.patch b/meta/recipes-connectivity/ofono/ofono/CVE-2024-7537.patch
new file mode 100644
index 0000000000..518b042d5b
--- /dev/null
+++ b/meta/recipes-connectivity/ofono/ofono/CVE-2024-7537.patch
@@ -0,0 +1,59 @@
+From e6d8d526d5077c0b6ab459efeb6b882c28e0fdeb Mon Sep 17 00:00:00 2001
+From: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
+Date: Sun, 16 Mar 2025 12:26:42 +0200
+Subject: [PATCH] qmi: sms: Fix possible out-of-bounds read
+
+Fixes: CVE-2024-7537
+
+CVE: CVE-2024-7537
+Upstream-Status: Backport [https://web.git.kernel.org/pub/scm/network/ofono/ofono.git/commit/?id=e6d8d526d5077c0b6ab459efeb6b882c28e0fdeb]
+Signed-off-by: Peter Marko <peter.marko@siemens.com>
+---
+ drivers/qmimodem/sms.c | 13 ++++++++++---
+ 1 file changed, 10 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/qmimodem/sms.c b/drivers/qmimodem/sms.c
+index 3e2bef6e..75863480 100644
+--- a/drivers/qmimodem/sms.c
++++ b/drivers/qmimodem/sms.c
+@@ -485,6 +485,8 @@ static void get_msg_list_cb(struct qmi_result *result, void *user_data)
+        const struct qmi_wms_result_msg_list *list;
+        uint32_t cnt = 0;
+        uint16_t tmp;
++       uint16_t length;
++       size_t msg_size;
+ 
+        DBG("");
+ 
+@@ -494,7 +496,7 @@ static void get_msg_list_cb(struct qmi_result *result, void *user_data)
+                goto done;
+        }
+ 
+-       list = qmi_result_get(result, QMI_WMS_RESULT_MSG_LIST, NULL);
++       list = qmi_result_get(result, QMI_WMS_RESULT_MSG_LIST, &length);
+        if (list == NULL) {
+                DBG("Err: get msg list empty");
+                goto done;
+@@ -503,6 +505,13 @@ static void get_msg_list_cb(struct qmi_result *result, void *user_data)
+        cnt = GUINT32_FROM_LE(list->cnt);
+        DBG("msgs found %d", cnt);
+ 
++       msg_size = cnt * sizeof(list->msg[0]);
++
++       if (length != sizeof(list->cnt) + msg_size) {
++               DBG("Err: invalid msg list count");
++               goto done;
++       }
++
+        for (tmp = 0; tmp < cnt; tmp++) {
+                DBG("unread type %d ndx %d", list->msg[tmp].type,
+                        GUINT32_FROM_LE(list->msg[tmp].ndx));
+@@ -516,8 +525,6 @@ static void get_msg_list_cb(struct qmi_result *result, void *user_data)
+ 
+        /* save list and get 1st msg */
+        if (cnt) {
+-               int msg_size = cnt * sizeof(list->msg[0]);
+-
+                data->msg_list = g_try_malloc0(sizeof(list->cnt) + msg_size);
+                if (data->msg_list == NULL)
+                        goto done;
diff --git a/meta/recipes-connectivity/ofono/ofono_1.34.bb b/meta/recipes-connectivity/ofono/ofono_1.34.bb
index 1083b91d56..9f11af9236 100644
--- a/meta/recipes-connectivity/ofono/ofono_1.34.bb
+++ b/meta/recipes-connectivity/ofono/ofono_1.34.bb
@@ -25,6 +25,7 @@ SRC_URI = "\
     file://CVE-2024-7546.patch \
     file://CVE-2024-7547.patch \
     file://CVE-2024-7540_CVE-2024-7541_CVE-2024-7542.patch \
+    file://CVE-2024-7537.patch \
 "
 SRC_URI[sha256sum] = "c0b96d3013447ec2bcb74579bef90e4e59c68dbfa4b9c6fbce5d12401a43aac7"