flex: Add CVE-2019-6293 to exclusions for checks

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

(From OE-Core rev: b939b005b06be58a276d565f755ee2d8f3e5dfc1)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 0cae5d7a24bedf6784781b62cbb3795a44bab4d1)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/meta/recipes-devtools/flex/flex_2.6.4.bb b/meta/recipes-devtools/flex/flex_2.6.4.bb
index 1d43d2228a..50d3bf8de1 100644
--- a/meta/recipes-devtools/flex/flex_2.6.4.bb
+++ b/meta/recipes-devtools/flex/flex_2.6.4.bb
@@ -26,6 +26,11 @@ 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"