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1ab99590d7
Cherry-pick patch mentioning this CVE. (From OE-Core rev: 13fafdaa6958bd4cf1ff350caf355c8c41a80e47) Signed-off-by: Peter Marko <peter.marko@siemens.com> Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
42 lines
1.4 KiB
Diff
42 lines
1.4 KiB
Diff
From 9c16197734ada8d0838407eebe081117799bfe67 Mon Sep 17 00:00:00 2001
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From: B Horn <b@horn.uk>
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Date: Fri, 1 Nov 2024 23:46:55 +0000
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Subject: [PATCH 2/3] normal: Remove variables hooks on module unload
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The normal module does not entirely cleanup after itself in
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its GRUB_MOD_FINI() leaving a few variables hooks in place.
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It is not possible to unload normal module now but fix the
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issues for completeness.
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On the occasion replace 0s with NULLs for "pager" variable
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hooks unregister.
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Fixes: CVE-2025-0622
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Reported-by: B Horn <b@horn.uk>
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Signed-off-by: B Horn <b@horn.uk>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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CVE: CVE-2025-0622
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Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/grub.git/commit/?id=9c16197734ada8d0838407eebe081117799bfe67]
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Signed-off-by: Peter Marko <peter.marko@siemens.com>
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---
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grub-core/normal/main.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/grub-core/normal/main.c b/grub-core/normal/main.c
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index 838f57fa5..04d058f55 100644
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--- a/grub-core/normal/main.c
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+++ b/grub-core/normal/main.c
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@@ -582,7 +582,9 @@ GRUB_MOD_FINI(normal)
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grub_xputs = grub_xputs_saved;
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grub_set_history (0);
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- grub_register_variable_hook ("pager", 0, 0);
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+ grub_register_variable_hook ("pager", NULL, NULL);
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+ grub_register_variable_hook ("color_normal", NULL, NULL);
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+ grub_register_variable_hook ("color_highlight", NULL, NULL);
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grub_fs_autoload_hook = 0;
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grub_unregister_command (cmd_clear);
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}
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