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binutils: CVE-2017-9748

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Source: binutils-gdb.git
MR: 74023
Type: Security Fix
Disposition: Backport from binutils-2_29
ChangeID: efff4d9ed538ff859ab5105a3594690e860d0779
Description:

Avoid a possible compiler bug by using a static buffer instead of a stack local buffer.

PR binutils/21582
   * ieee.c (ieee_object_p): Use a static buffer to avoid compiler
     bugs.
Affects: <= 2.28
Author: Nick Clifton <nickc@redhat.com>
(From OE-Core rev: fe9fed67e2f62223626f6683b197bc3b55092d54)

Signed-off-by: Thiruvadi Rajaraman <trajaraman@mvista.com>
Reviewed-by: Armin Kuster <akuster@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>
This commit is contained in:
Thiruvadi Rajaraman
2017-09-21 19:14:03 +05:30
committed by Richard Purdie
parent 776302af49
commit 30c6b86347
2 changed files with 46 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
meta/recipes-devtools/binutils/binutils-2.27.inc
View File

@@ -81,6 +81,7 @@ SRC_URI = "\
file://CVE-2017-9751.patch \
file://CVE-2017-9749.patch \
file://CVE-2017-9746.patch \
file://CVE-2017-9748.patch \
"
S = "${WORKDIR}/git"

45
meta/recipes-devtools/binutils/binutils/CVE-2017-9748.patch Normal file
View File

@@ -0,0 +1,45 @@
commit 63634bb4a107877dd08b6282e28e11cfd1a1649e
Author: Nick Clifton <nickc@redhat.com>
Date: Thu Jun 15 12:44:23 2017 +0100
Avoid a possible compiler bug by using a static buffer instead of a stack local buffer.
PR binutils/21582
* ieee.c (ieee_object_p): Use a static buffer to avoid compiler
bugs.
Upstream-Status: Backport
CVE: CVE-2017-9748
Signed-off-by: Thiruvadi Rajaraman <trajaraman@mvista.com>
Index: git/bfd/ieee.c
===================================================================
--- git.orig/bfd/ieee.c 2017-09-21 13:53:50.891154141 +0530
+++ git/bfd/ieee.c 2017-09-21 13:54:00.715232229 +0530
@@ -1871,7 +1871,7 @@
char *processor;
unsigned int part;
ieee_data_type *ieee;
- unsigned char buffer[300];
+ static unsigned char buffer[300];
ieee_data_type *save = IEEE_DATA (abfd);
bfd_size_type amt;
Index: git/bfd/ChangeLog
===================================================================
--- git.orig/bfd/ChangeLog 2017-09-21 13:54:00.483230385 +0530
+++ git/bfd/ChangeLog 2017-09-21 13:57:44.885008549 +0530
@@ -73,6 +73,12 @@
(evax_bfd_print_egsd): Check for an overlarge record length.
(evax_bfd_print_etir): Likewise.
+2017-06-15 Nick Clifton <nickc@redhat.com>
+
+ PR binutils/21582
+ * ieee.c (ieee_object_p): Use a static buffer to avoid compiler
+ bugs.
+
2017-04-29 Alan Modra <amodra@gmail.com>
PR 21432