The ip6gre_err function in net/ipv6/ip6_gre.c in the Linux kernel allows remote attackers to have unspecified impact via vectors involving GRE flags in an IPv6 packet, which trigger an out-of-bounds access.
www.debian.org/security/2017/dsa-3791
www.openwall.com/lists/oss-security/2017/02/07/2
www.securityfocus.com/bid/96037
www.securitytracker.com/id/1037794
git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=7892032cfe67f4bde6fc2ee967e45a8fbaf33756
source.android.com/security/bulletin/2017-09-01
usn.ubuntu.com/3754-1/