conntrackd in conntrack-tools 1.4.2 and earlier does not ensure that the optional kernel modules are loaded before using them, which allows remote attackers to cause a denial of service (crash) via a (1) DCCP, (2) SCTP, or (3) ICMPv6 packet.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Conntrack-tools | Netfilter | * | 1.4.2 (including) |
| Conntrack | Ubuntu | precise | * |
| Conntrack | Ubuntu | trusty | * |
| Conntrack | Ubuntu | vivid | * |
| Conntrack | Ubuntu | wily | * |