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authorThiruvadi Rajaraman <trajaraman@mvista.com>2017-09-21 19:36:14 +0530
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-01-07 17:09:48 +0000
commitf48d4c21673c16760c5a9ff51934127339234f85 (patch)
tree009acb12ebbf69da9efa9be40e425255024a4db8
parent98b66508f8b382f047d12df430b6e812a9336ab9 (diff)
downloadopenembedded-core-contrib-f48d4c21673c16760c5a9ff51934127339234f85.tar.gz
binutils: CVE-2017-9756
Source: binutils-gdb.git MR: 73919 Type: Security Fix Disposition: Backport from binutils-2_29 ChangeID: bd4a354c2a1bd14e26232fc88a736950aa19403a Description: Prevent address violation problem when disassembling corrupt aarch64 binary. PR binutils/21595 * aarch64-dis.c (aarch64_ext_ldst_reglist): Check for an out of range value. Affects: <= 2.28 Author: Nick Clifton <nickc@redhat.com> 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>
-rw-r--r--meta/recipes-devtools/binutils/binutils-2.27.inc1
-rw-r--r--meta/recipes-devtools/binutils/binutils/CVE-2017-9756.patch43
2 files changed, 44 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils-2.27.inc b/meta/recipes-devtools/binutils/binutils-2.27.inc
index 961364c81c..70d4065a15 100644
--- a/meta/recipes-devtools/binutils/binutils-2.27.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.27.inc
@@ -88,6 +88,7 @@ SRC_URI = "\
file://CVE-2017-9753_9754.patch \
file://CVE-2017-9755_1.patch \
file://CVE-2017-9755_2.patch \
+ file://CVE-2017-9756.patch \
"
S = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-9756.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-9756.patch
new file mode 100644
index 0000000000..e40a26eb3c
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-9756.patch
@@ -0,0 +1,43 @@
+commit cd3ea7c69acc5045eb28f9bf80d923116e15e4f5
+Author: Nick Clifton <nickc@redhat.com>
+Date: Thu Jun 15 13:26:54 2017 +0100
+
+ Prevent address violation problem when disassembling corrupt aarch64 binary.
+
+ PR binutils/21595
+ * aarch64-dis.c (aarch64_ext_ldst_reglist): Check for an out of
+ range value.
+
+Upstream-Status: Backport
+
+CVE: CVE-2017-9756
+Signed-off-by: Thiruvadi Rajaraman <trajaraman@mvista.com>
+
+Index: git/opcodes/aarch64-dis.c
+===================================================================
+--- git.orig/opcodes/aarch64-dis.c 2017-09-21 15:48:27.154646380 +0530
++++ git/opcodes/aarch64-dis.c 2017-09-21 15:48:27.134646104 +0530
+@@ -381,6 +381,9 @@
+ info->reglist.first_regno = extract_field (FLD_Rt, code, 0);
+ /* opcode */
+ value = extract_field (FLD_opcode, code, 0);
++ /* PR 21595: Check for a bogus value. */
++ if (value >= ARRAY_SIZE (data))
++ return 0;
+ if (expected_num != data[value].num_elements || data[value].is_reserved)
+ return 0;
+ info->reglist.num_regs = data[value].num_regs;
+Index: git/opcodes/ChangeLog
+===================================================================
+--- git.orig/opcodes/ChangeLog 2017-09-21 15:45:32.264491166 +0530
++++ git/opcodes/ChangeLog 2017-09-21 15:49:53.751803571 +0530
+@@ -1,3 +1,9 @@
++2017-06-15 Nick Clifton <nickc@redhat.com>
++
++ PR binutils/21595
++ * aarch64-dis.c (aarch64_ext_ldst_reglist): Check for an out of
++ range value.
++
+ 2017-06-15 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR binutils/21594