diff options
Diffstat (limited to 'meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch')
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch b/meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch new file mode 100644 index 0000000000..29b834337e --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch @@ -0,0 +1,63 @@ +From db0c309f4011ca94a4abc8458e27f3734dab92ac Mon Sep 17 00:00:00 2001 +From: Nick Clifton <nickc@redhat.com> +Date: Tue, 24 Apr 2018 16:57:04 +0100 +Subject: [PATCH] Fix an illegal memory access when trying to copy an ELF + binary with corrupt section symbols. + + PR 23113 + * elf.c (ignore_section_sym): Check for the output_section pointer + being NULL before dereferencing it. + +Upstream-Status: Backport +Affects: <= 2.30 +CVE: CVE-2018-10535 +Signed-off-by: Armin Kuster <akuster@mvista.com> + +--- + bfd/ChangeLog | 4 ++++ + bfd/elf.c | 9 ++++++++- + 2 files changed, 12 insertions(+), 1 deletion(-) + +Index: git/bfd/elf.c +=================================================================== +--- git.orig/bfd/elf.c ++++ git/bfd/elf.c +@@ -3994,15 +3994,22 @@ ignore_section_sym (bfd *abfd, asymbol * + { + elf_symbol_type *type_ptr; + ++ if (sym == NULL) ++ return FALSE; ++ + if ((sym->flags & BSF_SECTION_SYM) == 0) + return FALSE; + ++ if (sym->section == NULL) ++ return TRUE; ++ + type_ptr = elf_symbol_from (abfd, sym); + return ((type_ptr != NULL + && type_ptr->internal_elf_sym.st_shndx != 0 + && bfd_is_abs_section (sym->section)) + || !(sym->section->owner == abfd +- || (sym->section->output_section->owner == abfd ++ || (sym->section->output_section != NULL ++ && sym->section->output_section->owner == abfd + && sym->section->output_offset == 0) + || bfd_is_abs_section (sym->section))); + } +Index: git/bfd/ChangeLog +=================================================================== +--- git.orig/bfd/ChangeLog ++++ git/bfd/ChangeLog +@@ -1,4 +1,10 @@ + 2018-04-24 Nick Clifton <nickc@redhat.com> ++ ++ PR 23113 ++ * elf.c (ignore_section_sym): Check for the output_section pointer ++ being NULL before dereferencing it. ++ ++2018-04-24 Nick Clifton <nickc@redhat.com> + + PR 23110 + * peXXigen.c (_bfd_XX_bfd_copy_private_bfd_data_common): Check for |