aaabase in SuSE Linux 6.3, and cron.daily in earlier versions, allow local users to delete arbitrary files by creating files whose names include spaces, which are then incorrectly interpreted by aaabase when it deletes expired files from the /tmp directory.
xtvscreen in SuSE Linux 6.0 allows local users to overwrite arbitrary files via a symlink attack on the pic000.pnm file.
kdesu program in KDE2 (KDE before 2.2.0-6) does not properly verify the owner of a UNIX socket that is used to send a password, which allows local users to steal passwords and gain privileges.