binutils/binutils-CVE-2023-1972.patch

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--- binutils.orig/bfd/elf.c 2023-04-17 16:26:08.720347439 +0100
+++ binutils-2.40/bfd/elf.c 2023-04-17 16:28:03.286317601 +0100
@@ -9050,6 +9050,8 @@ _bfd_elf_slurp_version_tables (bfd *abfd
bfd_set_error (bfd_error_file_too_big);
goto error_return_verdef;
}
+ if (amt == 0)
+ goto error_return_verdef;
elf_tdata (abfd)->verdef = (Elf_Internal_Verdef *) bfd_zalloc (abfd, amt);
if (elf_tdata (abfd)->verdef == NULL)
goto error_return_verdef;
@@ -9153,6 +9155,8 @@ _bfd_elf_slurp_version_tables (bfd *abfd
bfd_set_error (bfd_error_file_too_big);
goto error_return;
}
+ if (amt == 0)
+ goto error_return;
elf_tdata (abfd)->verdef = (Elf_Internal_Verdef *) bfd_zalloc (abfd, amt);
if (elf_tdata (abfd)->verdef == NULL)
goto error_return;