diff --git a/bugfix-Clear-buffer-for-screen-info.patch b/bugfix-Clear-buffer-for-screen-info.patch
new file mode 100644
index 0000000000000000000000000000000000000000..5d0f04c195dc2ec938c4c7d06c5331131a84942f
--- /dev/null
+++ b/bugfix-Clear-buffer-for-screen-info.patch
@@ -0,0 +1,25 @@
+From ec551328ad7ef8e98a22e052c8da6e258893c144 Mon Sep 17 00:00:00 2001
+From: Xue Liu <liuxue@loongson.cn>
+Date: Mon, 25 Nov 2024 14:23:34 +0800
+Subject: [PATCH] bugfix: Clear buffer for screen info
+
+---
+ grub-core/loader/loongarch64/linux-elf.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/grub-core/loader/loongarch64/linux-elf.c b/grub-core/loader/loongarch64/linux-elf.c
+index c5d9434..b495a2b 100644
+--- a/grub-core/loader/loongarch64/linux-elf.c
++++ b/grub-core/loader/loongarch64/linux-elf.c
+@@ -167,6 +167,8 @@ alloc_screen_info (void)
+   if (status != GRUB_EFI_SUCCESS)
+     return NULL;
+ 
++  grub_memset((void *)si, 0, sizeof(struct screen_info));
++
+   status = b->install_configuration_table (&compat_screen_info_guid, si);
+   if (status != GRUB_EFI_SUCCESS)
+     goto free_mem;
+-- 
+2.43.0
+
diff --git a/grub.patches b/grub.patches
index f11ec640cdd493e613229dc43fa8e6f8bad8c511..f67209120253b0aca781433a431f14e7209f78a0 100644
--- a/grub.patches
+++ b/grub.patches
@@ -244,3 +244,4 @@ Patch243:       10_linux-fix-missing-ro-in-kernel-boot-parameters.patch
 Patch244:       0001-cryptodisk-add-OS-provided-secret-support.patch
 Patch245:       0002-efi-Add-API-for-retrieving-the-EFI-secret-for-crypto.patch
 Patch246:       backport-acpi-Fix-out-of-bounds-access-in-grub_acpi_xsdt_find.patch
+Patch247:       bugfix-Clear-buffer-for-screen-info.patch
diff --git a/grub2.spec b/grub2.spec
index 19ca23f69f03c501122fa301189030ceb0f26fe6..ac87ce447c1c0458d73063247368edd927baf755 100644
--- a/grub2.spec
+++ b/grub2.spec
@@ -19,7 +19,7 @@
 Name:		grub2
 Epoch:		1
 Version:	2.12
-Release:	27
+Release:	28
 Summary:	Bootloader with support for Linux, Multiboot and more
 License:	GPLv3+
 URL:		http://www.gnu.org/software/grub/
@@ -461,6 +461,12 @@ fi
 %{_datadir}/man/man*
 
 %changelog
+* Fri Nov 8 2024 liuxue <liuxue@loongson.cn> - 1:2.12-28
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:Clear buffer for screen info
+
 * Wed Nov 13 2024 yueyuankun <yueyuankun@kylinos.cn> - 1:2.12-27
 - Type:bugfix
 - CVE:NA