diff options
Diffstat (limited to 'meta/recipes-devtools/binutils/binutils/0019-CVE-2022-4285.patch')
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils/0019-CVE-2022-4285.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils/0019-CVE-2022-4285.patch b/meta/recipes-devtools/binutils/binutils/0019-CVE-2022-4285.patch new file mode 100644 index 0000000000..e5e404982e --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/0019-CVE-2022-4285.patch @@ -0,0 +1,37 @@ +From 5c831a3c7f3ca98d6aba1200353311e1a1f84c70 Mon Sep 17 00:00:00 2001 +From: Nick Clifton <nickc@redhat.com> +Date: Wed, 19 Oct 2022 15:09:12 +0100 +Subject: [PATCH] Fix an illegal memory access when parsing an ELF file + containing corrupt symbol version information. + + PR 29699 + * elf.c (_bfd_elf_slurp_version_tables): Fail if the sh_info field + of the section header is zero. + +Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5c831a3c7f3ca98d6aba1200353311e1a1f84c70] +CVE: CVE-2022-4285 + +Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com> +--- + bfd/ChangeLog | 6 ++++++ + bfd/elf.c | 4 +++- + 2 files changed, 9 insertions(+), 1 deletion(-) + +diff --git a/bfd/elf.c b/bfd/elf.c +index fe00e0f9189..7cd7febcf95 100644 +--- a/bfd/elf.c ++++ b/bfd/elf.c +@@ -8918,7 +8918,9 @@ _bfd_elf_slurp_version_tables (bfd *abfd, bool default_imported_symver) + 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; + +-- +2.31.1 + |