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binutils: Fix CVE-2025-1178

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Prevent an abort in the bfd linker when attempting to
generate dynamic relocs for a corrupt input file.

PR 32638

Backport a patch from upstream to fix CVE-2025-1178
Upstream-Status: Backport from [https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=75086e9de1707281172cc77f178e7949a4414ed0]

(From OE-Core rev: 3325b9dfd7a0da2236c96630b67ac2c6d4375840)

Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Deepesh Varatharajan
2025-05-20 21:54:14 -07:00
committed by Steve Sakoman
parent 717fb8a016
commit 9776909c9b
2 changed files with 34 additions and 0 deletions
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1
meta/recipes-devtools/binutils/binutils-2.44.inc
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@@ -35,5 +35,6 @@ SRC_URI = "\
file://0012-Only-generate-an-RPATH-entry-if-LD_RUN_PATH-is-not-e.patch \
file://0013-Define-alignof-using-_Alignof-when-using-C11-or-newe.patch \
file://0014-Remove-duplicate-pe-dll.o-entry-deom-targ_extra_ofil.patch \
file://0015-CVE-2025-1178.patch \
"
S = "${WORKDIR}/git"

33
meta/recipes-devtools/binutils/binutils/0015-CVE-2025-1178.patch Normal file
View File

@@ -0,0 +1,33 @@
From 75086e9de1707281172cc77f178e7949a4414ed0 Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Wed, 5 Feb 2025 13:26:51 +0000
Subject: [PATCH] Prevent an abort in the bfd linker when attempting to
generate dynamic relocs for a corrupt input file.
PR 32638
Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=75086e9de1707281172cc77f178e7949a4414ed0]
CVE: CVE-2025-1178
Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index cb32732e..a08e9c97 100644
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -5031,6 +5031,15 @@ elf_x86_64_finish_dynamic_symbol (bfd *output_bfd,
if (generate_dynamic_reloc)
{
+ /* If the relgot section has not been created, then
+ generate an error instead of a reloc. cf PR 32638. */
+ if (relgot == NULL || relgot->size == 0)
+ {
+ info->callbacks->einfo (_("%F%pB: Unable to generate dynamic relocs because a suitable section does not exist\n"),
+ output_bfd);
+ return false;
+ }
+
if (relative_reloc_name != NULL
&& htab->params->report_relative_reloc)
_bfd_x86_elf_link_report_relative_reloc