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