From 5131819228bb9968a64b52afb6461681d1090b5c Mon Sep 17 00:00:00 2001 From: Ross Burton Date: Mon, 5 Jun 2023 17:24:13 +0100 Subject: binutils: fix CVE-2023-1972 Backport a patch from upstream to fix CVE-2023-1972. (From OE-Core rev: 10d63933e3a30bfac2f6cec896460c22e04baadd) Signed-off-by: Ross Burton Signed-off-by: Richard Purdie --- meta/recipes-devtools/binutils/binutils-2.40.inc | 1 + ...gal-memory-access-when-an-accessing-a-zer.patch | 43 ++++++++++++++++++++++ 2 files changed, 44 insertions(+) create mode 100644 meta/recipes-devtools/binutils/binutils/0001-Fix-an-illegal-memory-access-when-an-accessing-a-zer.patch (limited to 'meta/recipes-devtools/binutils') diff --git a/meta/recipes-devtools/binutils/binutils-2.40.inc b/meta/recipes-devtools/binutils/binutils-2.40.inc index 84dbf5f730..dea68ee6fc 100644 --- a/meta/recipes-devtools/binutils/binutils-2.40.inc +++ b/meta/recipes-devtools/binutils/binutils-2.40.inc @@ -35,5 +35,6 @@ SRC_URI = "\ file://0015-Remove-duplicate-pe-dll.o-entry-deom-targ_extra_ofil.patch \ file://0016-CVE-2023-25586.patch \ file://fix-time64.patch \ + file://0001-Fix-an-illegal-memory-access-when-an-accessing-a-zer.patch \ " S = "${WORKDIR}/git" diff --git a/meta/recipes-devtools/binutils/binutils/0001-Fix-an-illegal-memory-access-when-an-accessing-a-zer.patch b/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/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 +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 +--- + 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 + -- cgit v1.2.3-54-g00ecf