writtercontrol in cdcontrol 1.90 allows local users to overwrite arbitrary files via a symlink attack on /tmp/v-recorder*-out temporary files.
https://exchange.xforce.ibmcloud.com/vulnerabilities/44839
https://bugs.gentoo.org/show_bug.cgi?id=235770
http://www.securityfocus.com/bid/30892
http://www.openwall.com/lists/oss-security/2008/10/30/2