diff options
Diffstat (limited to 'poky/meta/recipes-devtools/binutils/binutils/0001-Fix-an-illegal-memory-access-when-an-accessing-a-zer.patch')
-rw-r--r-- | poky/meta/recipes-devtools/binutils/binutils/0001-Fix-an-illegal-memory-access-when-an-accessing-a-zer.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/poky/meta/recipes-devtools/binutils/binutils/0001-Fix-an-illegal-memory-access-when-an-accessing-a-zer.patch b/poky/meta/recipes-devtools/binutils/binutils/0001-Fix-an-illegal-memory-access-when-an-accessing-a-zer.patch new file mode 100644 index 0000000000..31157cacd2 --- /dev/null +++ b/poky/meta/recipes-devtools/binutils/binutils/0001-Fix-an-illegal-memory-access-when-an-accessing-a-zer.patch @@ -0,0 +1,43 @@ +From c22d38baefc5a7a1e1f5cdc9dbb556b1f0ec5c57 Mon Sep 17 00:00:00 2001 +From: Nick Clifton <nickc@redhat.com> +Date: Thu, 30 Mar 2023 10:10:09 +0100 +Subject: [PATCH] Fix an illegal memory access when an accessing a + zer0-lengthverdef table. + + PR 30285 + * elf.c (_bfd_elf_slurp_version_tables): Fail if no version definitions are allocated. + +CVE: CVE-2023-1972 +Upstream-Status: Backport +Signed-off-by: Ross Burton <ross.burton@arm.com> +--- + bfd/ChangeLog | 6 ++++++ + bfd/elf.c | 5 +++++ + 2 files changed, 11 insertions(+) + +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; +-- +2.34.1 + |