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Fix a potential dereference of a NULL pointer.

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Resolves: #2152946
This commit is contained in:
Nick Clifton 2022-12-13 16:06:33 +00:00
parent 14fb249724
commit 7ef644fbf6
2 changed files with 21 additions and 1 deletions
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13
binutils-CVE-2022-4285.patch Normal file
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@ -0,0 +1,13 @@
--- binutils.orig/bfd/elf.c 2022-12-13 15:21:20.040233487 +0000
+++ binutils-2.39/bfd/elf.c 2022-12-13 15:22:33.580986232 +0000
@@ -8868,7 +8868,9 @@ _bfd_elf_slurp_version_tables (bfd *abfd
bfd_set_error (bfd_error_file_too_big);
goto error_return_verref;
}
- elf_tdata (abfd)->verref = (Elf_Internal_Verneed *) bfd_alloc (abfd, amt);
+ if (amt == 0)
+ goto error_return_verref;
+ elf_tdata (abfd)->verref = (Elf_Internal_Verneed *) bfd_zalloc (abfd, amt);
if (elf_tdata (abfd)->verref == NULL)
goto error_return_verref;

9
binutils.spec
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@ -39,7 +39,7 @@
Summary: A GNU collection of binary utilities
Name: binutils%{?name_cross}%{?_with_debug:-debug}
Version: 2.39
Release: 6%{?dist}
Release: 7%{?dist}
License: GPLv3+
URL: https://sourceware.org/binutils
@ -311,6 +311,10 @@ Patch22: binutils-readelf-no-sections.patch
# Lifetime: Fixed in 2.40
Patch23: binutils-libiberty-configure-compile-warnings.patch
# Purpose: Fix a potential reference of a NULL pointer.
# Lifetime: Fixed in 2.40
Patch24: binutils-CVE-2022-4285.patch
#----------------------------------------------------------------------------
Provides: bundled(libiberty)
@ -967,6 +971,9 @@ exit 0
#----------------------------------------------------------------------------
%changelog
* Tue Dec 13 2022 Nick Clifton <nickc@redhat.com> - 2.39-7
- Fix a potential dereference of a NULL pointer. (#2152946)
* Wed Nov 23 2022 Nick Clifton <nickc@redhat.com> - 2.39-6
- Fix compile time warnings of the configure test files in the libiberty directory. (#2144041)