IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1 (includes DB2 Connect Server) could allow a local user with DB2 instance owner privileges to obtain root access. IBM X-Force ID: 128057.
https://exchange.xforce.ibmcloud.com/vulnerabilities/128057
http://www.securitytracker.com/id/1039300