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([2602:feb4:3b:2100:5779:a397:ba1c:2b0]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-af56093c2f5sm1389955a12.67.2025.03.12.12.52.56 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Mar 2025 12:52:56 -0700 (PDT) From: Steve Sakoman To: openembedded-core@lists.openembedded.org Subject: [OE-core][styhead 11/25] grub: patch CVE-2024-45775 Date: Wed, 12 Mar 2025 12:52:19 -0700 Message-ID: <0ae686de6aefb10d961cd8965dba8a02d1c977c6.1741808973.git.steve@sakoman.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Wed, 12 Mar 2025 19:53:07 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/212678 From: Peter Marko Cherry-pick patch mentioning this CVE. Signed-off-by: Peter Marko Signed-off-by: Steve Sakoman --- .../grub/files/CVE-2024-45775.patch | 38 +++++++++++++++++++ meta/recipes-bsp/grub/grub2.inc | 1 + 2 files changed, 39 insertions(+) create mode 100644 meta/recipes-bsp/grub/files/CVE-2024-45775.patch diff --git a/meta/recipes-bsp/grub/files/CVE-2024-45775.patch b/meta/recipes-bsp/grub/files/CVE-2024-45775.patch new file mode 100644 index 0000000000..70492b8c2e --- /dev/null +++ b/meta/recipes-bsp/grub/files/CVE-2024-45775.patch @@ -0,0 +1,38 @@ +From 05be856a8c3aae41f5df90cab7796ab7ee34b872 Mon Sep 17 00:00:00 2001 +From: Lidong Chen +Date: Fri, 22 Nov 2024 06:27:55 +0000 +Subject: [PATCH] commands/extcmd: Missing check for failed allocation + +The grub_extcmd_dispatcher() calls grub_arg_list_alloc() to allocate +a grub_arg_list struct but it does not verify the allocation was successful. +In case of failed allocation the NULL state pointer can be accessed in +parse_option() through grub_arg_parse() which may lead to a security issue. + +Fixes: CVE-2024-45775 + +Reported-by: Nils Langius +Signed-off-by: Lidong Chen +Reviewed-by: Daniel Kiper +Reviewed-by: Alec Brown + +CVE: CVE-2024-45775 +Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/grub.git/commit/?id=05be856a8c3aae41f5df90cab7796ab7ee34b872] +Signed-off-by: Peter Marko +--- + grub-core/commands/extcmd.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/grub-core/commands/extcmd.c b/grub-core/commands/extcmd.c +index 90a5ca24a..c236be13a 100644 +--- a/grub-core/commands/extcmd.c ++++ b/grub-core/commands/extcmd.c +@@ -49,6 +49,9 @@ grub_extcmd_dispatcher (struct grub_command *cmd, int argc, char **args, + } + + state = grub_arg_list_alloc (ext, argc, args); ++ if (state == NULL) ++ return grub_errno; ++ + if (grub_arg_parse (ext, argc, args, state, &new_args, &new_argc)) + { + context.state = state; diff --git a/meta/recipes-bsp/grub/grub2.inc b/meta/recipes-bsp/grub/grub2.inc index ea6e19072e..b9b9d37637 100644 --- a/meta/recipes-bsp/grub/grub2.inc +++ b/meta/recipes-bsp/grub/grub2.inc @@ -25,6 +25,7 @@ SRC_URI = "${GNU_MIRROR}/grub/grub-${PV}.tar.gz \ file://CVE-2024-45783.patch \ file://CVE-2025-0624.patch \ file://CVE-2024-45774.patch \ + file://CVE-2024-45775.patch \ " SRC_URI[sha256sum] = "b30919fa5be280417c17ac561bb1650f60cfb80cc6237fa1e2b6f56154cb9c91"