diff --git a/0003-ECAM-Fix-memory-leak.patch b/0003-ECAM-Fix-memory-leak.patch
new file mode 100644
index 0000000000000000000000000000000000000000..3aa4a8413afab63e2234851fb096c3b30d31deeb
--- /dev/null
+++ b/0003-ECAM-Fix-memory-leak.patch
@@ -0,0 +1,24 @@
+From 41e0a7174c09666cf9d3c52c25caa4bb6feaaa75 Mon Sep 17 00:00:00 2001
+From: Martin Mares <mj@ucw.cz>
+Date: Wed, 10 Sep 2025 16:08:37 +0800
+Subject: [PATCH] ECAM: Fix memory leak
+
+---
+ lib/ecam.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/lib/ecam.c b/lib/ecam.c
+index fdeec07..6d44806 100644
+--- a/lib/ecam.c
++++ b/lib/ecam.c
+@@ -422,6 +422,7 @@ find_mcfg(struct pci_access *a, const char *acpimcfg, const char *efisystab, int
+                       fclose(mcfg_file);
+                       return mcfg;
+                     }
++                  pci_mfree(mcfg);
+                 }
+               fclose(mcfg_file);
+             }
+-- 
+2.43.0
+
diff --git a/pciutils.spec b/pciutils.spec
index 25d1afe78b2f3e5acbee9ee89aacf88011a80604..7a71accc820426f92d88bc5c3b6ef8145e363a12 100644
--- a/pciutils.spec
+++ b/pciutils.spec
@@ -1,6 +1,6 @@
 Name:           pciutils
 Version:        3.13.0
-Release:        3
+Release:        4
 Summary:        PCI bus related utilities
 License:        GPLv2+
 URL:            http://atrey.karlin.mff.cuni.cz/~mj/pciutils.shtml
@@ -9,6 +9,7 @@ Source0:        https://mirrors.edge.kernel.org/pub/software/utils/pciutils/%{na
 # support building with other compilers
 # rebased against 3.13.0
 Patch2:         0002-Support-specify-CC.patch
+Patch3:         0003-ECAM-Fix-memory-leak.patch
 
 ExclusiveOS:    Linux
 BuildRequires:  gcc sed kmod-devel pkgconfig zlib-devel
@@ -106,6 +107,9 @@ rm -rf $RPM_BUILD_ROOT/usr/share/hwdata/pci.ids*
 rm -rf $RPM_BUILD_ROOT
 
 %changelog
+* Wed Sep 10 2025 cenhuilin <cenhuilin@kylinos.cn> - 3.13.0-4
+- ECAM: Fix memory leak
+
 * Tue Jul 01 2025 wangmian <wangmian19@h-partners.com> - 3.13.0-3
 - Fixed bug for macros in Changelog