diff --git a/meta/recipes-bsp/grub/files/CVE-2024-45777.patch b/meta/recipes-bsp/grub/files/CVE-2024-45777.patch new file mode 100644 index 0000000000..0305a95fd5 --- /dev/null +++ b/meta/recipes-bsp/grub/files/CVE-2024-45777.patch @@ -0,0 +1,57 @@ +From b970a5ed967816bbca8225994cd0ee2557bad515 Mon Sep 17 00:00:00 2001 +From: Lidong Chen +Date: Fri, 22 Nov 2024 06:27:57 +0000 +Subject: [PATCH] gettext: Integer overflow leads to heap OOB write + +The size calculation of the translation buffer in +grub_gettext_getstr_from_position() may overflow +to 0 leading to heap OOB write. This patch fixes +the issue by using grub_add() and checking for +an overflow. + +Fixes: CVE-2024-45777 + +Reported-by: Nils Langius +Signed-off-by: Lidong Chen +Reviewed-by: Daniel Kiper +Reviewed-by: Alec Brown + +CVE: CVE-2024-45777 +Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/grub.git/commit/?id=b970a5ed967816bbca8225994cd0ee2557bad515] +Signed-off-by: Peter Marko +--- + grub-core/gettext/gettext.c | 7 ++++++- + 1 file changed, 6 insertions(+), 1 deletion(-) + +diff --git a/grub-core/gettext/gettext.c b/grub-core/gettext/gettext.c +index 63bb1ab73..9ffc73428 100644 +--- a/grub-core/gettext/gettext.c ++++ b/grub-core/gettext/gettext.c +@@ -26,6 +26,7 @@ + #include + #include + #include ++#include + + GRUB_MOD_LICENSE ("GPLv3+"); + +@@ -99,6 +100,7 @@ grub_gettext_getstr_from_position (struct grub_gettext_context *ctx, + char *translation; + struct string_descriptor desc; + grub_err_t err; ++ grub_size_t alloc_sz; + + internal_position = (off + position * sizeof (desc)); + +@@ -109,7 +111,10 @@ grub_gettext_getstr_from_position (struct grub_gettext_context *ctx, + length = grub_cpu_to_le32 (desc.length); + offset = grub_cpu_to_le32 (desc.offset); + +- translation = grub_malloc (length + 1); ++ if (grub_add (length, 1, &alloc_sz)) ++ return NULL; ++ ++ translation = grub_malloc (alloc_sz); + if (!translation) + return NULL; + diff --git a/meta/recipes-bsp/grub/grub2.inc b/meta/recipes-bsp/grub/grub2.inc index 581855eb4b..b67b7d2e16 100644 --- a/meta/recipes-bsp/grub/grub2.inc +++ b/meta/recipes-bsp/grub/grub2.inc @@ -30,6 +30,7 @@ SRC_URI = "${GNU_MIRROR}/grub/grub-${PV}.tar.gz \ file://CVE-2025-0622-02.patch \ file://CVE-2025-0622-03.patch \ file://CVE-2024-45776.patch \ + file://CVE-2024-45777.patch \ " SRC_URI[sha256sum] = "b30919fa5be280417c17ac561bb1650f60cfb80cc6237fa1e2b6f56154cb9c91"