diff --git a/0001-sync-dhcp-lease-Avoid-overflow-in-t2-computation.patch b/0001-sync-dhcp-lease-Avoid-overflow-in-t2-computation.patch
new file mode 100644
index 0000000000000000000000000000000000000000..8aeb541c2c590bee59a1cb99b1ef8cbc35cc0a22
--- /dev/null
+++ b/0001-sync-dhcp-lease-Avoid-overflow-in-t2-computation.patch
@@ -0,0 +1,26 @@
+From 8c53b21d7ba7b1b2b2a8108c76d6ee935fee1639 Mon Sep 17 00:00:00 2001
+From: zhangzhangxin <zhangxin1@xfusion.com>
+Date: Fri, 12 May 2023 14:40:24 +0800
+Subject: [PATCH] sync:dhcp-lease: Avoid overflow in t2 computation
+
+Signed-off-by: zhangzhangxin <zhangxin1@xfusion.com>
+---
+ ell/dhcp-lease.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/ell/dhcp-lease.c b/ell/dhcp-lease.c
+index 4d49190..e93c618 100644
+--- a/ell/dhcp-lease.c
++++ b/ell/dhcp-lease.c
+@@ -151,7 +151,7 @@ struct l_dhcp_lease *_dhcp_lease_parse_options(struct dhcp_message_iter *iter)
+ 		lease->t1 = lease->lifetime / 2;
+ 
+ 	if (!lease->t2)
+-		lease->t2 = lease->lifetime * 7 / 8;
++		lease->t2 = lease->lifetime / 8 * 7;
+ 
+ 	if (lease->t1 > lease->t2)
+ 		goto error;
+-- 
+2.40.0.windows.1
+
diff --git a/libell.spec b/libell.spec
index 4629a7be94ee4902c5d56286003ac648520d6203..8840c51596ce67028e2c1f66c7e1a3327fee9e26 100644
--- a/libell.spec
+++ b/libell.spec
@@ -1,11 +1,12 @@
 Name:           libell
 Version:        0.32
-Release:        1
+Release:        2
 Summary:        Embedded Linux library
 License:        LGPLv2+
 URL:            https://01.org/ell
 Source0:        https://www.kernel.org/pub/linux/libs/ell/ell-%{version}.tar.xz
 BuildRequires:  gcc
+Patch0:         0001-sync-dhcp-lease-Avoid-overflow-in-t2-computation.patch
 
 %description
 The Embedded Linux* Library (ELL) provides core, low-level functionality forsystem daemons. It typically
@@ -41,6 +42,9 @@ Header files for developing %{name}.
 %{_libdir}/pkgconfig/ell.pc
 
 %changelog
+* Fri Mar 12 2023 zhangxin <zhangxin1@xfusion.com> - 0.32-2
+- dhcp-lease:Avoid overflow in t2 computation
+
 * Tue Aug 18 2020 wangye <wangye70@huawei.com> - 0.32-1
 - update to 0.32