Multiple vulnerabilities in IBM DB2 UDB 8 before Fixpak 15 and 9.1 before Fixpak 3 allow local users to create arbitrary files via (1) unspecified vectors where an attacker's umask is honored, (2) /etc/ld.so.preload, (3) certain "cron data file locations", and other unspecified vectors possibly involving the (4) OSSEMEMDBG or (5) TRC_LOG_FILE environment variable in db2licd (db2licm).