Description: netfilter: xtables NULL pointer dereference in ip6_tables.c:ip6t_do_table() leading to a crash
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=1547824
 http://lists.openwall.net/netdev/2018/01/27/46
 http://patchwork.ozlabs.org/patch/870355/
Notes:
 carnil> Possibly introduced in 7814b6ec6d0d6 (4.3-rc1)
Bugs:
upstream: released (4.16-rc3) [57ebd808a97d7c5b1e1afb937c2db22beba3c1f8]
4.9-upstream-stable: released (4.9.88) [f506da51bdf6602ec942f25d682a4de9b59760da]
3.16-upstream-stable: N/A "Issue introduced later in 4.3-rc1 with 7814b6ec6d0d63444abdb49554166c8cfcbd063e"
3.2-upstream-stable: N/A "Issue introduced later in 4.3-rc1 with 7814b6ec6d0d63444abdb49554166c8cfcbd063e"
sid: released (4.15.11-1)
4.9-stretch-security: released (4.9.88-1)
3.16-jessie-security: N/A "Vulnerable code not present"
3.2-wheezy-security: N/A "Vulnerable code not present"