grub2: backport patch to fix CVE-2022-2601 CVE-2022-3775

Backport patch from upstream to solve CVE-2022-2601 CVE-2022-3775 dependency:
font: Fix size overflow in grub_font_get_glyph_internal()
(https://git.savannah.gnu.org/cgit/grub.git/commit/?id=9c76ec09ae08155df27cd237eaea150b4f02f532)

Backport patch from upstream to fix following CVEs:
CVE-2022-2601: font: Fix several integer overflows in grub_font_construct_glyph()
(https://git.savannah.gnu.org/cgit/grub.git/commit/?id=768e1ef2fc159f6e14e7246e4be09363708ac39e)
CVE-2022-3775: font: Fix an integer underflow in blit_comb()
(https://git.savannah.gnu.org/cgit/grub.git/commit/?id=992c06191babc1e109caf40d6a07ec6fdef427af)

(From OE-Core rev: fa5a42150098be892246146456faed778e28ef94)

Signed-off-by: Xiangyu Chen <xiangyu.chen@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Liwei Song <liwei.song@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/recipes-bsp/grub/grub2.inc b/meta/recipes-bsp/grub/grub2.inc
index e819cb9775..bf7aba6b1c 100644
--- a/meta/recipes-bsp/grub/grub2.inc
+++ b/meta/recipes-bsp/grub/grub2.inc
@@ -37,6 +37,9 @@ SRC_URI = "${GNU_MIRROR}/grub/grub-${PV}.tar.gz \
            file://loader-efi-chainloader-Simplify-the-loader-state.patch \
            file://commands-boot-Add-API-to-pass-context-to-loader.patch \
            file://CVE-2022-28736-loader-efi-chainloader-Use-grub_loader_set_ex.patch\
+           file://0001-font-Fix-size-overflow-in-grub_font_get_glyph_intern.patch \
+           file://CVE-2022-2601.patch \
+           file://CVE-2022-3775.patch \
 "
 
 SRC_URI[sha256sum] = "23b64b4c741569f9426ed2e3d0e6780796fca081bee4c99f62aa3f53ae803f5f"