glib-2.0: patch CVE-2025-7039

Pick commit per [1].

[1] https://security-tracker.debian.org/tracker/CVE-2025-7039

(From OE-Core rev: 36402f219bc6fc03970e5277d449f2717199cf44)

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

2 files changed, 44 insertions, 0 deletions

diff --git a/meta/recipes-core/glib-2.0/glib-2.0/CVE-2025-7039.patch b/meta/recipes-core/glib-2.0/glib-2.0/CVE-2025-7039.patch
new file mode 100644
index 0000000000..6e03700880
--- /dev/null
+++ b/meta/recipes-core/glib-2.0/glib-2.0/CVE-2025-7039.patch
@@ -0,0 +1,43 @@
+From 61e963284889ddb4544e6f1d5261c16120f6fcc3 Mon Sep 17 00:00:00 2001
+From: Michael Catanzaro <mcatanzaro@redhat.com>
+Date: Tue, 1 Jul 2025 10:58:07 -0500
+Subject: [PATCH] gfileutils: fix computation of temporary file name
+
+We need to ensure that the value we use to index into the letters array
+is always positive.
+
+Fixes #3716
+
+CVE: CVE-2025-7039
+Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/glib/-/commit/61e963284889ddb4544e6f1d5261c16120f6fcc3]
+Signed-off-by: Peter Marko <peter.marko@siemens.com>
+---
+ glib/gfileutils.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/glib/gfileutils.c b/glib/gfileutils.c
+index c7d3339d1..286b1b154 100644
+--- a/glib/gfileutils.c
++++ b/glib/gfileutils.c
+@@ -1532,9 +1532,9 @@ get_tmp_file (gchar            *tmpl,
+   static const char letters[] =
+     "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+   static const int NLETTERS = sizeof (letters) - 1;
+-  gint64 value;
+-  gint64 now_us;
+-  static int counter = 0;
++  guint64 value;
++  guint64 now_us;
++  static guint counter = 0;
+ 
+   g_return_val_if_fail (tmpl != NULL, -1);
+ 
+@@ -1553,7 +1553,7 @@ get_tmp_file (gchar            *tmpl,
+ 
+   for (count = 0; count < 100; value += 7777, ++count)
+     {
+-      gint64 v = value;
++      guint64 v = value;
+ 
+       /* Fill in the random bits.  */
+       XXXXXX[0] = letters[v % NLETTERS];
diff --git a/meta/recipes-core/glib-2.0/glib-2.0_2.78.6.bb b/meta/recipes-core/glib-2.0/glib-2.0_2.78.6.bb
index 53e0543045..c129be1328 100644
--- a/meta/recipes-core/glib-2.0/glib-2.0_2.78.6.bb
+++ b/meta/recipes-core/glib-2.0/glib-2.0_2.78.6.bb
@@ -29,6 +29,7 @@ SRC_URI = "${GNOME_MIRROR}/glib/${SHRT_VER}/glib-${PV}.tar.xz \
            file://CVE-2025-3360-06.patch \
            file://CVE-2025-4373-01.patch \
            file://CVE-2025-4373-02.patch \
+           file://CVE-2025-7039.patch \
            "
 SRC_URI:append:class-native = " file://relocate-modules.patch \
                                 file://0001-meson.build-do-not-enable-pidfd-features-on-native-g.patch \