checkrestart in debian-goodies before 0.34 allows local users to gain privileges via shell metacharacters in the name of the executable file for a running process.
https://exchange.xforce.ibmcloud.com/vulnerabilities/36475
http://www.ubuntu.com/usn/usn-526-1
http://www.securityfocus.com/bid/25569
http://www.debian.org/security/2008/dsa-1527
http://secunia.com/advisories/27079