grub: patch CVE-2025-1118

Cherry-pick patch mentioning this CVE.

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

diff --git a/meta/recipes-bsp/grub/files/CVE-2025-1118.patch b/meta/recipes-bsp/grub/files/CVE-2025-1118.patch
new file mode 100644 (file)
index 0000000..e6906d9
--- /dev/null
+++ b/meta/recipes-bsp/grub/files/CVE-2025-1118.patch
@@ -0,0 +1,37 @@
+From 34824806ac6302f91e8cabaa41308eaced25725f Mon Sep 17 00:00:00 2001
+From: B Horn <b@horn.uk>
+Date: Thu, 18 Apr 2024 20:29:39 +0100
+Subject: [PATCH] commands/minicmd: Block the dump command in lockdown mode
+
+The dump enables a user to read memory which should not be possible
+in lockdown mode.
+
+Fixes: CVE-2025-1118
+
+Reported-by: B Horn <b@horn.uk>
+Reported-by: Jonathan Bar Or <jonathanbaror@gmail.com>
+Signed-off-by: B Horn <b@horn.uk>
+Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
+
+CVE: CVE-2025-1118
+Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/grub.git/commit/?id=34824806ac6302f91e8cabaa41308eaced25725f]
+Signed-off-by: Peter Marko <peter.marko@siemens.com>
+---
+ grub-core/commands/minicmd.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/grub-core/commands/minicmd.c b/grub-core/commands/minicmd.c
+index 286290866..8c5ee3e60 100644
+--- a/grub-core/commands/minicmd.c
++++ b/grub-core/commands/minicmd.c
+@@ -203,8 +203,8 @@ GRUB_MOD_INIT(minicmd)
+     grub_register_command ("help", grub_mini_cmd_help,
+                          0, N_("Show this message."));
+   cmd_dump =
+-    grub_register_command ("dump", grub_mini_cmd_dump,
+-                         N_("ADDR [SIZE]"), N_("Show memory contents."));
++    grub_register_command_lockdown ("dump", grub_mini_cmd_dump,
++                                  N_("ADDR [SIZE]"), N_("Show memory contents."));
+   cmd_rmmod =
+     grub_register_command ("rmmod", grub_mini_cmd_rmmod,
+                          N_("MODULE"), N_("Remove a module."));

diff --git a/meta/recipes-bsp/grub/grub2.inc b/meta/recipes-bsp/grub/grub2.inc
index 6f0c8a133f67106645a75d670edc444ca50a34c1..bd0c9d2601debfed5152cebc8943d2ff28354603 100644 (file)
--- a/meta/recipes-bsp/grub/grub2.inc
+++ b/meta/recipes-bsp/grub/grub2.inc
@@ -32,6 +32,7 @@ SRC_URI = "${GNU_MIRROR}/grub/grub-${PV}.tar.gz \
            file://CVE-2024-45776.patch \
            file://CVE-2024-45777.patch \
            file://CVE-2025-0690.patch \
+           file://CVE-2025-1118.patch \
 "
 
 SRC_URI[sha256sum] = "b30919fa5be280417c17ac561bb1650f60cfb80cc6237fa1e2b6f56154cb9c91"