Candidate: CVE-2006-6921
References: 
 http://uwsg.iu.edu/hypermail/linux/kernel/0612.2/0980.html
 http://uwsg.iu.edu/hypermail/linux/kernel/0612.2/1021.html
Description: 
 Unspecified versions of the Linux kernel allows local users to cause
 a denial of service (unrecoverable zombie process) via a program with
 certain instructions that prevent init from properly reaping a child
 whose parent has died.
Ubuntu-Description: 
Notes: 
 2.4 behaves correctly
 dannf> unaware of an upstream fix
Bugs: 
upstream: 
linux-2.6: ignored "no upstream fix"
2.6.18-etch-security: ignored (2.6.18.dfsg.1-13etch6) "no upstream fix"
2.6.24-etch-security: ignored "no upstream fix"
2.6.26-lenny-security: ignored
2.6.8-sarge-security: ignored (2.6.8-16sarge7)
2.4.27-sarge-security: N/A
2.6.15-dapper-security: ignored
2.6.17-edgy-security: ignored - no upstream patch
2.6.20-feisty-security: ignored