Unspecified vulnerability in Hitachi TP1/NET/OSI-TP-Extended on HI-UX/WE2 before 20070213, and on HP-UX before 20070314, allows remote attackers to cause a denial of service via certain data to a port.
https://exchange.xforce.ibmcloud.com/vulnerabilities/34661
http://www.vupen.com/english/advisories/2007/2021
http://www.hitachi-support.com/security_e/vuls_e/HS07-012_e/index-e.html