Description: NULL pointer dereference in af_netlink.c:__netlink_ns_capable() allows for denial of service
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=1630124
 https://marc.info/?l=linux-netdev&m=151500466401174&w=2
Notes:
 carnil> Introduced by 79e1ad148c844f5c8b9d76b36b26e3886dca95ae (4.15-rc1)
Bugs:
upstream: released (4.15-rc8) [f428fe4a04cc339166c8bbd489789760de3a0cee]
4.9-upstream-stable: N/A "Vulnerable code introduced later"
3.16-upstream-stable: N/A "Vulnerable code introduced later"
sid: N/A "Vulnerable code not present"
4.9-stretch-security: N/A "Vulnerable code not present"
3.16-jessie-security: N/A "Vulnerable code not present"