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48 lines
2 KiB
Diff
48 lines
2 KiB
Diff
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Leo Sandoval <lsandova@redhat.com>
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Date: Mon, 5 Aug 2024 13:19:28 -0600
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Subject: [PATCH] Set non-executable stack sections on EFI assembly files
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For those manual assembly files created where no '.note.GNU-stack'
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section is explicitly added, linker defaults it as executable and this
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is the reason that RHEL CI rpminspect & annocheck tests are
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failing. The proposed change sets the corresponding GNU-stack
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sections otherwise CI detects the following security vulnerability
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$ annocheck annocheck --ignore-unknown --verbose --profile=el9 *.rpm 2>&1 | grep FAIL | grep stack
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(standard input):(standard input):Hardened: ./usr/lib/grub/x86_64-efi/kernel.exec: FAIL: gnu-stack test because .note.GNU-stack section has execute permission
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(standard input):(standard input):Hardened: ./usr/lib/grub/x86_64-efi/kernel.img: FAIL: gnu-stack test because .note.GNU-stack section has execute permission
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Signed-off-by: Leo Sandoval <lsandova@redhat.com>
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---
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grub-core/kern/i386/efi/startup.S | 5 +++++
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grub-core/kern/x86_64/efi/startup.S | 5 +++++
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2 files changed, 10 insertions(+)
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diff --git a/grub-core/kern/i386/efi/startup.S b/grub-core/kern/i386/efi/startup.S
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index fc5ea3dac..36d1b1a68 100644
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--- a/grub-core/kern/i386/efi/startup.S
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+++ b/grub-core/kern/i386/efi/startup.S
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@@ -34,3 +34,8 @@ _start:
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movl %eax, EXT_C(grub_efi_system_table)
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call EXT_C(grub_main)
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ret
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+
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+/* An executable stack is not required for these functions. */
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+#if defined (__linux__) && defined (__ELF__)
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+.section .note.GNU-stack,"",%progbits
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+#endif
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diff --git a/grub-core/kern/x86_64/efi/startup.S b/grub-core/kern/x86_64/efi/startup.S
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index 9357e5c5d..f5c6bc3d8 100644
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--- a/grub-core/kern/x86_64/efi/startup.S
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+++ b/grub-core/kern/x86_64/efi/startup.S
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@@ -33,3 +33,8 @@ _start:
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andq $~0xf, %rsp
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call EXT_C(grub_main)
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/* Doesn't return. */
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+
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+/* An executable stack is not required for these functions. */
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+#if defined (__linux__) && defined (__ELF__)
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+.section .note.GNU-stack,"",%progbits
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+#endif
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