binutis: Security fix CVE-2017-9038

Source: Binutils.org
MR: 72728
Type: Security Fix
Disposition: Backport from https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f32ba72991d2406b21ab17edc234a2f3fa7fb23d
ChangeID: 7e242783945a87af0a821b924bd16624a0f18fb3
Description:

Affects: <= 2.28
(From OE-Core rev: 8df5d5d7809381a6e9b93bb6f772b1fd77046da9)

Signed-off-by: Armin Kuster <akuster@mvista.com>
Reviewed-by  Jeremy Puhlman <jpuhlman@mvista.com>

Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 52 insertions, 0 deletions

diff --git a/meta/recipes-devtools/binutils/binutils-2.27.inc b/meta/recipes-devtools/binutils/binutils-2.27.inc
index 22f02e9349..a117323282 100644
--- a/meta/recipes-devtools/binutils/binutils-2.27.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.27.inc
@@ -46,6 +46,7 @@ SRC_URI = "\
      file://CVE-2017-7209.patch \
      file://CVE-2017-7210.patch \
      file://CVE-2017-7614.patch \
+     file://CVE-2017-9038.patch \
 "
 S  = "${WORKDIR}/git"
 
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-9038.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-9038.patch
new file mode 100644
index 0000000000..afc14d1e14
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-9038.patch
@@ -0,0 +1,51 @@
+From f32ba72991d2406b21ab17edc234a2f3fa7fb23d Mon Sep 17 00:00:00 2001
+From: Nick Clifton <nickc@redhat.com>
+Date: Mon, 3 Apr 2017 11:01:45 +0100
+Subject: [PATCH] readelf: Update check for invalid word offsets in ARM unwind
+ information.
+
+        PR binutils/21343
+        * readelf.c (get_unwind_section_word): Fix snafu checking for
+        invalid word offsets in ARM unwind information.
+
+Upstream-Status: Backport
+CVE: CVE-2017-9039
+Affects: binutils <= 2.28
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+
+---
+ binutils/ChangeLog | 6 ++++++
+ binutils/readelf.c | 6 +++---
+ 2 files changed, 9 insertions(+), 3 deletions(-)
+
+Index: git/binutils/readelf.c
+===================================================================
+--- git.orig/binutils/readelf.c
++++ git/binutils/readelf.c
+@@ -7745,9 +7745,9 @@ get_unwind_section_word (struct arm_unw_
+     return FALSE;
+ 
+   /* If the offset is invalid then fail.  */
+-  if (word_offset > (sec->sh_size - 4)
+-      /* PR 18879 */
+-      || (sec->sh_size < 5 && word_offset >= sec->sh_size)
++  if (/* PR 21343 *//* PR 18879 */
++      sec->sh_size < 4
++      || word_offset > (sec->sh_size - 4)
+       || ((bfd_signed_vma) word_offset) < 0)
+     return FALSE;
+ 
+Index: git/bfd/ChangeLog
+===================================================================
+--- git.orig/bfd/ChangeLog
++++ git/bfd/ChangeLog
+@@ -1,3 +1,9 @@
++2017-04-03  Nick Clifton  <nickc@redhat.com>
++
++       PR binutils/21343
++       * readelf.c (get_unwind_section_word): Fix snafu checking for
++       invalid word offsets in ARM unwind information.
++
+ 2017-04-04  Nick Clifton  <nickc@redhat.com>
+ 
+        PR binutils/21342