binutils: Add patch to fix CVE-2022-4285

Backport a patch from upstream to address CVE-2022-4285
[https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5c831a3c7f3ca98d6aba1200353311e1a1f84c70]

Signed-off-by: pgowda <pgowda.cve@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit b6b750f8e41a392ff92d9118ef7530ada20d06fe)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/recipes-devtools/binutils/binutils-2.39.inc b/meta/recipes-devtools/binutils/binutils-2.39.inc
index b040e570375d3de3525c95b1e49953fbf0be58a9..419571d56c31940d6883b45f5b4a2c91dddfab40 100644 (file)
--- a/meta/recipes-devtools/binutils/binutils-2.39.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.39.inc
@@ -35,6 +35,7 @@ SRC_URI = "\
      file://0014-CVE-2022-38128-1.patch \
      file://0014-CVE-2022-38128-2.patch \
      file://0014-CVE-2022-38128-3.patch \
+     file://0015-CVE-2022-4285.patch \
 "
 S  = "${WORKDIR}/git"
 # Already in 2.39 branch

diff --git a/meta/recipes-devtools/binutils/binutils/0015-CVE-2022-4285.patch b/meta/recipes-devtools/binutils/binutils/0015-CVE-2022-4285.patch
new file mode 100644 (file)
index 0000000..46ec0b1
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/0015-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]
+
+Signed-off-by: Pgowda <pgowda.cve@gmail.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
+