opielogin.c in opielogin in OPIE 2.4.1-test1 and earlier does not check the return value of the setuid system call, which allows local users to gain privileges by arranging for an account to already be running its maximum number of processes.
https://hermes.opensuse.org/messages/10082068
https://hermes.opensuse.org/messages/10082052
https://bugzillafiles.novell.org/attachment.cgi?id=435901
http://www.securityfocus.com/bid/48390
http://www.debian.org/security/2011/dsa-2281
http://secunia.com/advisories/45448
http://secunia.com/advisories/45136