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binutils: fix CVE-2025-11840

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CVE-2025-11840

PR 33455
[BUG] A SEGV in vfinfo at ldmisc.c:527
A reloc howto set up with EMPTY_HOWTO has a NULL name.  More than one
place emitting diagnostics assumes a reloc howto won't have a NULL
name.

https://sourceware.org/bugzilla/show_bug.cgi?id=33455

Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=f6b0f53a36820da91eadfa9f466c22f92e4256e0]

(From OE-Core rev: d477a67f623da424c3165bde25d76152636b1f50)

Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Yash Shinde 2025-12-19 01:50:16 -08:00 committed by Steve Sakoman
parent a247883e38
commit d27f4a8879
2 changed files with 38 additions and 0 deletions
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1
meta/recipes-devtools/binutils/binutils-2.42.inc
View File

@ -68,5 +68,6 @@ SRC_URI = "\
file://CVE-2025-11413.patch \
file://0028-CVE-2025-11494.patch \
file://0029-CVE-2025-11839.patch \
file://0030-CVE-2025-11840.patch \
"
S = "${WORKDIR}/git"

37
meta/recipes-devtools/binutils/binutils/0030-CVE-2025-11840.patch Normal file
View File

@ -0,0 +1,37 @@
From f6b0f53a36820da91eadfa9f466c22f92e4256e0 Mon Sep 17 00:00:00 2001
From: Alan Modra <amodra@gmail.com>
Date: Mon, 3 Nov 2025 09:03:37 +1030
Subject: [PATCH] PR 33455 SEGV in vfinfo at ldmisc.c:527
A reloc howto set up with EMPTY_HOWTO has a NULL name. More than one
place emitting diagnostics assumes a reloc howto won't have a NULL
name.
PR 33455
* coffcode.h (coff_slurp_reloc_table): Don't allow a howto with
a NULL name.
---
bfd/coffcode.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=f6b0f53a36820da91eadfa9f466c22f92e4256e0]
CVE: CVE-2025-11840
Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com>
diff --git a/bfd/coffcode.h b/bfd/coffcode.h
index 1e5acc0032c..ce1e39131b4 100644
--- a/bfd/coffcode.h
+++ b/bfd/coffcode.h
@@ -5345,7 +5345,7 @@ coff_slurp_reloc_table (bfd * abfd, sec_ptr asect, asymbol ** symbols)
RTYPE2HOWTO (cache_ptr, &dst);
#endif /* RELOC_PROCESSING */
- if (cache_ptr->howto == NULL)
+ if (cache_ptr->howto == NULL || cache_ptr->howto->name == NULL)
{
_bfd_error_handler
/* xgettext:c-format */
--
2.43.7