gcc-toolset-12-binutils/SOURCES/binutils-CVE-2022-4285.patch

14 lines
564 B
Diff

--- 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;