grub: Fix for CVE-2023-4692 and CVE-2023-4693

CVE: CVE-2023-4692

Crafted file system images can cause heap-based buffer
overflow and may allow arbitrary code execution and secure boot bypass.

Upstream-Status: Backport
[https://git.savannah.gnu.org/cgit/grub.git/commit/?id=43651027d24e62a7a463254165e1e46e42aecdea]

CVE: CVE-2023-4693

There an out-of-bounds read at fs/ntfs.c, a physically present attacker
may leverage that by presenting a specially crafted NTFS file system
image to read arbitrary memory locations. A successful attack may allow
sensitive data cached in memory or EFI variables values to be leaked
presenting a high Confidentiality risk.

Upstream-Status: Backport
[https://git.savannah.gnu.org/cgit/grub.git/commit/?id=0ed2458cc4eff6d9a9199527e2a0b6d445802f94]

(From OE-Core rev: a8bc6f041599ce8da275c163c87f155a2f09369c)

Signed-off-by: Xiangyu Chen <xiangyu.chen@windriver.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/meta/recipes-bsp/grub/grub2.inc b/meta/recipes-bsp/grub/grub2.inc
index 41839698dc..f594e7d3a4 100644
--- a/meta/recipes-bsp/grub/grub2.inc
+++ b/meta/recipes-bsp/grub/grub2.inc
@@ -42,6 +42,8 @@ SRC_URI = "${GNU_MIRROR}/grub/grub-${PV}.tar.gz \
            file://CVE-2022-3775.patch \
            file://0001-risc-v-Handle-R_RISCV_CALL_PLT-reloc.patch \
            file://0001-fs-ext2-Ignore-checksum-seed-incompat-feature.patch \
+           file://CVE-2023-4692.patch \
+           file://CVE-2023-4693.patch \
 "
 
 SRC_URI[sha256sum] = "23b64b4c741569f9426ed2e3d0e6780796fca081bee4c99f62aa3f53ae803f5f"