sctp_sf_do_5_1D_ce of the file net/sctp/sm_statefuns.c of the component SCTP Handhshake Handler. Such manipulation as part of COOKIE_ECHO leads to null pointer dereference.This vulnerability is listed as CVE-2014-0101. The attack may be performed from remote. There is no available exploit.
It is best practice to apply a patch to resolve this issue.