new file mode 100644
@@ -0,0 +1,45 @@
+From bff52d96598956163d73b7c7bdec7b0ad5b3c2d4 Mon Sep 17 00:00:00 2001
+From: Hitendra Prajapati <hprajapati@mvista.com>
+Date: Tue, 15 Nov 2022 16:52:03 +0530
+Subject: [PATCH] CVE-2022-3821
+
+Upstream-Status: Backport [https://github.com/systemd/systemd-stable/commit/72d4c15a946d20143cd4c6783c802124bc894dc7]
+CVE: CVE-2022-3821
+Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
+---
+ src/basic/time-util.c | 2 +-
+ src/test/test-time-util.c | 5 +++++
+ 2 files changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/src/basic/time-util.c b/src/basic/time-util.c
+index b659d6905d..89dc593d44 100644
+--- a/src/basic/time-util.c
++++ b/src/basic/time-util.c
+@@ -588,7 +588,7 @@ char *format_timespan(char *buf, size_t l, usec_t t, usec_t accuracy) {
+ t = b;
+ }
+
+- n = MIN((size_t) k, l);
++ n = MIN((size_t) k, l-1);
+
+ l -= n;
+ p += n;
+diff --git a/src/test/test-time-util.c b/src/test/test-time-util.c
+index 4d0131827e..8db6b25279 100644
+--- a/src/test/test-time-util.c
++++ b/src/test/test-time-util.c
+@@ -238,6 +238,11 @@ TEST(format_timespan) {
+ test_format_timespan_accuracy(1);
+ test_format_timespan_accuracy(USEC_PER_MSEC);
+ test_format_timespan_accuracy(USEC_PER_SEC);
++
++ /* See issue #23928. */
++ _cleanup_free_ char *buf;
++ assert_se(buf = new(char, 5));
++ assert_se(buf == format_timespan(buf, 5, 100005, 1000));
+ }
+
+ TEST(verify_timezone) {
+--
+2.25.1
+
@@ -25,6 +25,7 @@ SRC_URI += "file://touchscreen.rules \
file://0003-implment-systemd-sysv-install-for-OE.patch \
file://0001-Move-sysusers.d-sysctl.d-binfmt.d-modules-load.d-to-.patch \
file://0001-resolve-Use-sockaddr-pointer-type-for-bind.patch \
+ file://CVE-2022-3821.patch \
"
# patches needed by musl