diff --git a/backport-Fix-invalid-free-in-main.patch b/backport-Fix-invalid-free-in-main.patch
new file mode 100644
index 0000000..5b281f3
--- /dev/null
+++ b/backport-Fix-invalid-free-in-main.patch
@@ -0,0 +1,29 @@
+From 6be2cb1c0139ac177e754b0767abf1ca1533847f Mon Sep 17 00:00:00 2001
+From: Robbie Harwood <rharwood@redhat.com>
+Date: Mon, 18 Apr 2022 13:08:18 -0400
+Subject: [PATCH] Fix invalid free in main()
+ 
+data is allocated by mmap() in prepare_data().
+ 
+Resolves: #173
+Signed-off-by: Robbie Harwood <rharwood@redhat.com>
+ 
+Conflict:NA
+Reference:https://github.com/rhboot/efivar/commit/6be2cb1c0139ac177e754b0767abf1ca1533847f
+---
+ src/efivar.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+ 
+diff --git a/src/efivar.c b/src/efivar.c
+index 5cd1eb2b..09f85edd 100644
+--- a/src/efivar.c
++++ b/src/efivar.c
+@@ -633,7 +633,7 @@ int main(int argc, char *argv[])
+ 				if (sz < 0)
+ 					err(1, "Could not import data from \"%s\"", infile);
+ 
+-				free(data);
++				munmap(data, data_size);
+ 				data = NULL;
+ 				data_size = 0;
+ 
\ No newline at end of file
diff --git a/efivar.spec b/efivar.spec
index 3c95782..482cbf2 100644
--- a/efivar.spec
+++ b/efivar.spec
@@ -1,6 +1,6 @@
 Name:           efivar
 Version:        38
-Release:        3
+Release:        4
 Summary:        Tools and libraries to work with EFI variables
 License:        LGPL-2.1-only
 URL:            https://github.com/rhboot/%{name}
@@ -12,6 +12,7 @@ Patch0002:      0002-Fix-glibc-2.36-build-mount.h-conflicts.patch
 Patch0003:      efivar-37-sw.patch
 %endif
 Patch9000:      dp_h-check-_ucs2size-in-format_ucs2.patch
+Patch9001:      backport-Fix-invalid-free-in-main.patch
 
 BuildRequires:  popt-devel glibc-static
 BuildRequires:  gcc mandoc
@@ -73,6 +74,12 @@ install -m 0644 src/abignore %{buildroot}%{_includedir}/efivar/.abignore
 %{_mandir}/man3/*
 
 %changelog
+* Wed Mar 13 2024 zhouyihang <zhouyihang3@h-partners.com> - 38-4
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:Fix invalid free in main()
+
 * Tue Sep 12 2023 zhangqiumiao <zhangqiumiao1@huawei.com> - 38-3
 - Type:bugfix
 - ID:NA