b9f070c2f2
Resolves: CVE-2024-45781 CVE-2024-45783 CVE-2024-45778 Resolves: CVE-2024-45775 CVE-2024-45780 CVE-2024-45774 Resolves: CVE-2025-0690 CVE-2025-1118 CVE-2024-45782 Resolves: CVE-2025-0624 CVE-2024-45779 CVE-2024-45776 Resolves: CVE-2025-0622 CVE-2025-0677 Resolves: #RHEL-80691 Resolves: #RHEL-80690 Resolves: #RHEL-80689 Resolves: #RHEL-80687 Resolves: #RHEL-80686 Signed-off-by: Leo Sandoval <lsandova@redhat.com> Signed-off-by: Nicolas Frayer <nfrayer@redhat.com>
31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Alec Brown <alec.r.brown@oracle.com>
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Date: Wed, 12 Feb 2025 10:56:13 -0600
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Subject: [PATCH] loader/i386/linux: Cast left shift to grub_uint32_t
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The Coverity complains that we might overflow into a negative value when
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setting linux_params.kernel_alignment to (1 << align). We can remedy
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this by casting it to grub_uint32_t.
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Fixes: CID 473876
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Signed-off-by: Alec Brown <alec.r.brown@oracle.com>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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grub-core/loader/i386/linux.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/grub-core/loader/i386/linux.c b/grub-core/loader/i386/linux.c
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index 90121e9bc..33a852197 100644
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--- a/grub-core/loader/i386/linux.c
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+++ b/grub-core/loader/i386/linux.c
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@@ -823,7 +823,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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GRUB_MEM_ATTR_R|GRUB_MEM_ATTR_W, GRUB_MEM_ATTR_X);
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linux_params.code32_start = prot_mode_target + lh.code32_start - GRUB_LINUX_BZIMAGE_ADDR;
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- linux_params.kernel_alignment = (1 << align);
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+ linux_params.kernel_alignment = ((grub_uint32_t)1 << align);
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linux_params.ps_mouse = linux_params.padding11 = 0;
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linux_params.type_of_loader = GRUB_LINUX_BOOT_LOADER_TYPE;
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