diff --git a/0111-support-udp-pkglen-mtu-free-pbuf-chain-memory.patch b/0111-support-udp-pkglen-mtu-free-pbuf-chain-memory.patch
new file mode 100644
index 0000000000000000000000000000000000000000..5d9e4b3c0688f1b6310104194b56393e2e616fa4
--- /dev/null
+++ b/0111-support-udp-pkglen-mtu-free-pbuf-chain-memory.patch
@@ -0,0 +1,36 @@
+From d46cc286ae617f6e12c4c8508dca3e672f1af670 Mon Sep 17 00:00:00 2001
+From: yangchen <yangchen145@huawei.com>
+Date: Sat, 2 Mar 2024 12:44:41 +0800
+Subject: [PATCH] support udp pkglen > mtu: free pbuf chain memory
+
+---
+ src/core/udp.c | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/src/core/udp.c b/src/core/udp.c
+index 440f909..de6204e 100644
+--- a/src/core/udp.c
++++ b/src/core/udp.c
+@@ -1032,9 +1032,19 @@ udp_sendto_if_src_chksum(struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *d
+   if (q != p)
+ #endif
+   {
++#if GAZELLE_UDP_ENABLE
++    /* if the udp packet len > mtu, the pbuf chain needs to be freed */
++    struct pbuf *next;
++    while (q != NULL) {
++      next = q->next;
++      pbuf_free(q);
++      q = next;
++    }
++#else /* GAZELLE_UDP_ENABLE */
+     /* free the header pbuf */
+     pbuf_free(q);
+     q = NULL;
++#endif /* GAZELLE_UDP_ENABLE */
+     /* p is still referenced by the caller, and will live on */
+   }
+ 
+-- 
+2.33.0
+
diff --git a/lwip.spec b/lwip.spec
index f4d07f57250022774b68ae847e3e8e44dd1122c7..6792f3493f3d206be2e02c858b69e0cdf88fc117 100644
--- a/lwip.spec
+++ b/lwip.spec
@@ -4,7 +4,7 @@
 Summary: lwip is a small independent implementation of the TCP/IP protocol suite
 Name:    lwip
 Version: 2.2.0
-Release: 2
+Release: 3
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.zip
@@ -122,6 +122,7 @@ Patch9106:  0107-fix-move-lpcb-to-the-front-of-list-error.patch
 Patch9107:  0108-fix-receive-fin-packet-process-error.patch
 Patch9108:  0109-support-udp-recv-zero-packets.patch
 Patch9109:  0110-adapt-lwip-2.2.0.patch
+Patch9110:  0111-support-udp-pkglen-mtu-free-pbuf-chain-memory.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -151,6 +152,9 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Sat Mar 02 2024 yangchen <yangchen145@huawei.com> - 2.2.0-3
+- support udp pkglen > mtu: free pbuf chain memory
+
 * Sun Feb 18 2024 jiangheng <jiangheng14@huawei.com> - 2.2.0-2
 - remove backport patches
 - sys_mbox_new return error when rte ring create failed