CVE-2017-8890: dccp/tcp: do not inherit mc_list from parent
CVE-2017-9074: ipv6: Prevent overrun when parsing v6 header options
CVE-2017-9075: sctp: do not inherit ipv6_{mc|ac|fl}_list from parent
CVE-2017-9076/CVE-2017-9077: ipv6/dccp: do not inherit ipv6_mc_list from parent
CVE-2017-9242: ipv6: fix out of bound writes in __ip6_append_data()