Complete Yocto mirror with license table for TQMa6UL (2038-compliance)
- 264 license table entries with exact download URLs (224/264 resolved) - Complete sources/ directory with all BitBake recipes - Build configuration: tqma6ul-multi-mba6ulx, spaetzle (musl) - Full traceability for Softwarefreigabeantrag - GCC 13.4.0, Linux 6.6.102, U-Boot 2023.04, musl 1.2.4 - License distribution: GPL-2.0 (24), MIT (23), GPL-2.0+ (18), BSD-3 (16)
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@@ -0,0 +1,37 @@
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From 2c34af908ebf4856051ed29e46d88abd2b20387f Mon Sep 17 00:00:00 2001
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From: Daniel Axtens <dja@axtens.net>
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Date: Fri, 8 Mar 2024 22:47:20 +1100
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Subject: [PATCH] video/readers/jpeg: Do not permit duplicate SOF0 markers in
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JPEG
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Otherwise a subsequent header could change the height and width
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allowing future OOB writes.
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Fixes: CVE-2024-45774
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Reported-by: Nils Langius <nils@langius.de>
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Signed-off-by: Daniel Axtens <dja@axtens.net>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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CVE: CVE-2024-45774
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Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/grub.git/commit/?id=2c34af908ebf4856051ed29e46d88abd2b20387f]
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Signed-off-by: Peter Marko <peter.marko@siemens.com>
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---
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grub-core/video/readers/jpeg.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/grub-core/video/readers/jpeg.c b/grub-core/video/readers/jpeg.c
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index ae634fd41..631a89356 100644
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--- a/grub-core/video/readers/jpeg.c
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+++ b/grub-core/video/readers/jpeg.c
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@@ -339,6 +339,10 @@ grub_jpeg_decode_sof (struct grub_jpeg_data *data)
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if (grub_errno != GRUB_ERR_NONE)
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return grub_errno;
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+ if (data->image_height != 0 || data->image_width != 0)
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+ return grub_error (GRUB_ERR_BAD_FILE_TYPE,
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+ "jpeg: cannot have duplicate SOF0 markers");
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+
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if (grub_jpeg_get_byte (data) != 8)
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return grub_error (GRUB_ERR_BAD_FILE_TYPE,
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"jpeg: only 8-bit precision is supported");
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