diff mbox series

Binutils : Fix CVE-2022-4285

Message ID 20221219153133.3582287-1-pgowda.cve@gmail.com
State New
Headers show
Series Binutils : Fix CVE-2022-4285 | expand

Commit Message

Pgowda Dec. 19, 2022, 3:31 p.m. UTC 
From: pgowda <pgowda.cve@gmail.com>

Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5c831a3c7f3ca98d6aba1200353311e1a1f84c70]

Signed-off-by: pgowda <pgowda.cve@gmail.com>
---
 .../binutils/binutils-2.39.inc                |  1 +
 .../binutils/0015-CVE-2022-4285.patch         | 37 +++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 meta/recipes-devtools/binutils/binutils/0015-CVE-2022-4285.patch
diff mbox series

Patch

diff --git a/meta/recipes-devtools/binutils/binutils-2.39.inc b/meta/recipes-devtools/binutils/binutils-2.39.inc
index b040e57037..419571d56c 100644
--- 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
index 0000000000..46ec0b15a3
--- /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
+