From: Richard Purdie <richard.pur...@linuxfoundation.org>

CVE is effectively disputed - yes there is stack exhaustion but no bug and it
is building the parser, not running it, effectively similar to a compiler ICE.
Upstream no plans to address and there is no security issue.

https://github.com/westes/flex/issues/414

Signed-off-by: Richard Purdie <richard.pur...@linuxfoundation.org>
(cherry picked from commit 0cae5d7a24bedf6784781b62cbb3795a44bab4d1)
Signed-off-by: Anuj Mittal <anuj.mit...@intel.com>
---
 meta/recipes-devtools/flex/flex_2.6.4.bb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/meta/recipes-devtools/flex/flex_2.6.4.bb 
b/meta/recipes-devtools/flex/flex_2.6.4.bb
index 54e7e01729..a85c3afc07 100644
--- a/meta/recipes-devtools/flex/flex_2.6.4.bb
+++ b/meta/recipes-devtools/flex/flex_2.6.4.bb
@@ -28,6 +28,11 @@ SRC_URI[sha256sum] = 
"e87aae032bf07c26f85ac0ed3250998c37621d95f8bd748b31f15b33c4
 UPSTREAM_CHECK_URI = "https://github.com/westes/flex/releases";
 UPSTREAM_CHECK_REGEX = "flex-(?P<pver>\d+(\.\d+)+)\.tar"
 
+# Disputed - yes there is stack exhaustion but no bug and it is building the
+# parser, not running it, effectively similar to a compiler ICE. Upstream no 
plans to address
+# https://github.com/westes/flex/issues/414
+CVE_CHECK_WHITELIST += "CVE-2019-6293"
+
 inherit autotools gettext texinfo ptest
 
 M4 = "${bindir}/m4"
-- 
2.31.1

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