nixpkgs/pkgs/development/tools/misc/binutils/CVE-2023-1972.patch
Henri Rosten 6c71202df2 binutils: fix CVE-2023-1972
Signed-off-by: Henri Rosten <henri.rosten@unikie.com>
2023-05-26 09:26:26 +03:00

24 lines
838 B
Diff

diff --git a/bfd/elf.c b/bfd/elf.c
index 027d0143735..185028cbd97 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -9030,6 +9030,9 @@ _bfd_elf_slurp_version_tables (bfd *abfd, bool default_imported_symver)
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;
@@ -9133,6 +9136,8 @@ _bfd_elf_slurp_version_tables (bfd *abfd, bool default_imported_symver)
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;