diff options
Diffstat (limited to 'poky/meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch')
-rw-r--r-- | poky/meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/poky/meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch b/poky/meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch new file mode 100644 index 000000000..fa8fbd2ae --- /dev/null +++ b/poky/meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch @@ -0,0 +1,61 @@ +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 +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 +@@ -4021,15 +4021,22 @@ 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 +@@ -1,3 +1,9 @@ ++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. ++ + 2018-04-17 Nick Clifton <nickc@redhat.com> + + PR 23065 |