From e956e7437aa95e006547c3a92271b64c25252a50 Mon Sep 17 00:00:00 2001 From: Peter Marko Date: Tue, 11 Mar 2025 19:14:15 +0100 Subject: [PATCH] grub: patch CVE-2024-45774 Cherry-pick patch mentioning this CVE. Signed-off-by: Peter Marko Signed-off-by: Steve Sakoman --- .../grub/files/CVE-2024-45774.patch | 37 +++++++++++++++++++ meta/recipes-bsp/grub/grub2.inc | 1 + 2 files changed, 38 insertions(+) create mode 100644 meta/recipes-bsp/grub/files/CVE-2024-45774.patch diff --git a/meta/recipes-bsp/grub/files/CVE-2024-45774.patch b/meta/recipes-bsp/grub/files/CVE-2024-45774.patch new file mode 100644 index 0000000000..55aecc17d7 --- /dev/null +++ b/meta/recipes-bsp/grub/files/CVE-2024-45774.patch @@ -0,0 +1,37 @@ +From 2c34af908ebf4856051ed29e46d88abd2b20387f Mon Sep 17 00:00:00 2001 +From: Daniel Axtens +Date: Fri, 8 Mar 2024 22:47:20 +1100 +Subject: [PATCH] video/readers/jpeg: Do not permit duplicate SOF0 markers in + JPEG + +Otherwise a subsequent header could change the height and width +allowing future OOB writes. + +Fixes: CVE-2024-45774 + +Reported-by: Nils Langius +Signed-off-by: Daniel Axtens +Reviewed-by: Daniel Kiper + +CVE: CVE-2024-45774 +Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/grub.git/commit/?id=2c34af908ebf4856051ed29e46d88abd2b20387f] +Signed-off-by: Peter Marko +--- + grub-core/video/readers/jpeg.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/grub-core/video/readers/jpeg.c b/grub-core/video/readers/jpeg.c +index ae634fd41..631a89356 100644 +--- a/grub-core/video/readers/jpeg.c ++++ b/grub-core/video/readers/jpeg.c +@@ -339,6 +339,10 @@ grub_jpeg_decode_sof (struct grub_jpeg_data *data) + if (grub_errno != GRUB_ERR_NONE) + return grub_errno; + ++ if (data->image_height != 0 || data->image_width != 0) ++ return grub_error (GRUB_ERR_BAD_FILE_TYPE, ++ "jpeg: cannot have duplicate SOF0 markers"); ++ + if (grub_jpeg_get_byte (data) != 8) + return grub_error (GRUB_ERR_BAD_FILE_TYPE, + "jpeg: only 8-bit precision is supported"); diff --git a/meta/recipes-bsp/grub/grub2.inc b/meta/recipes-bsp/grub/grub2.inc index 3526c43835..ea6e19072e 100644 --- a/meta/recipes-bsp/grub/grub2.inc +++ b/meta/recipes-bsp/grub/grub2.inc @@ -24,6 +24,7 @@ SRC_URI = "${GNU_MIRROR}/grub/grub-${PV}.tar.gz \ file://CVE-2024-45780.patch \ file://CVE-2024-45783.patch \ file://CVE-2025-0624.patch \ + file://CVE-2024-45774.patch \ " SRC_URI[sha256sum] = "b30919fa5be280417c17ac561bb1650f60cfb80cc6237fa1e2b6f56154cb9c91" -- 2.47.2