A nice list of root exploits and working links

Linux
Common
Linux 2.2.x ->Linux kernel ptrace/kmod local root exploit (http://milw0rm.com/exploits/3)
Linux 2.2.x (on exported files, should be vuln) (http://milw0rm.com/exploits/718)
Linux <= 2.2.25 ->Linux Kernel 2.x mremap missing do_munmap Exploit (http://milw0rm.com/exploits/160)

Linux 2.4.x ->Linux kernel ptrace/kmod local root exploit (http://milw0rm.com/exploits/3)
Linux 2.4.x -> pwned.c - Linux 2.4 and 2.6 sys_uselib local root exploit (http://milw0rm.com/exploits/895)
Linux 2.4.x ->Linux kernel 2.4 uselib() privilege elevation exploit (http://milw0rm.com/exploits/778)
Linux 2.4.20 ->Linux Kernel Module Loader Local R00t Exploit (http://milw0rm.com/exploits/12)
Linux <= 2.4.22 ->Linux Kernel <= 2.4.22 (do_brk) Local Root Exploit (http://milw0rm.com/exploits/131)
Linux 2.4.22 ->Linux Kernel 2.4.22 "do_brk()" local Root Exploit (PoC) (http://milw0rm.com/exploits/129)
Linux <= 2.4.24 ->Linux Kernel 2.x mremap missing do_munmap Exploit (http://milw0rm.com/exploits/160)
Linux 2.4.x < 2.4.27-rc3 (on nfs exported files) (http://milw0rm.com/exploits/718)

Linux <= 2.6.2 ->Linux Kernel 2.x mremap missing do_munmap Exploit (http://milw0rm.com/exploits/160)
Linux 2.6.11 -> Linux Kernel <= 2.6.11 (CPL 0) Local Root Exploit (k-rad3.c) (http://milw0rm.com/exploits/1397)
Linux 2.6.13 <= 2.6.17.4 -> Linux Kernel 2.6.13 <= 2.6.17.4 prctl() Local Root Exploit (logrotate) (http://milw0rm.com/exploits/2031)
Linux 2.6.13 <= 2.6.17.4 -> Linux Kernel 2.6.13 <= 2.6.17.4 sys_prctl() Local Root Exploit (http://milw0rm.com/exploits/2011)
Linux 2.6.11 <= 2.6.17.4 -> h00lyshit.c -Linux Kernel <= 2.6.17.4 (proc) Local Root Exploit (http://milw0rm.com/exploits/2013)
Linux 2.6.x < 2.6.7-rc3 (default configuration) (http://milw0rm.com/exploits/718)
Linux 2.6.x -> pwned.c - Linux 2.4 and 2.6 sys_uselib local root exploit (http://milw0rm.com/exploits/895)

Debian
Debian 2.2 ->/usr/bin/pileup Local Root Exploit (http://milw0rm.com/exploits/1170)

Ubuntu
Ubuntu Breezy 5.10 Installer Password Disclosure Vulnerability (http://milw0rm.com/exploits/1579)

Slackware
Slackware 7.1 ->/usr/bin/Mail Exploit (http://milw0rm.com/exploits/285)

Mandrake
Mandrake 8.2 -> /usr/mail local exploit (http://milw0rm.com/exploits/40)
Mandrake <= 10.2 -> cdrdao Local Root Exploit (http://milw0rm.com/exploits/997)

Suse
SuSE Linux 9.1 -> 'chfn' local root bug (http://milw0rm.com/exploits/1299)
SuSE Linux 9.2 -> 'chfn' local root bug (http://milw0rm.com/exploits/1299)
SuSE Linux 9.3 -> 'chfn' local root bug (http://milw0rm.com/exploits/1299)
SuSE Linux 10.0 -> 'chfn' local root bug (http://milw0rm.com/exploits/1299)
SuSE Linux Enterprise Server 8 -> 'chfn' local root bug (http://milw0rm.com/exploits/1299)
SuSE Linux Enterprise Server 9 -> 'chfn' local root bug (http://milw0rm.com/exploits/1299)

BSD
Freebsd
Freebsd 3.5.1 ->Ports package local root (http://milw0rm.com/exploits/286)
Freebsd 4.2 ->Ports package local root (http://milw0rm.com/exploits/286)
FreeBSD 4.x <= 5.4) master.passwd Disclosure Exploit (http://milw0rm.com/exploits/1311)

Openbsd
Openbsd 2.x - 3.3 ->exec_ibcs2_coff_prep_zmagic() Kernel Exploit (http://milw0rm.com/exploits/125)
OpenBSD 3.x-4.0 ->vga_ioctl() root exploit (http://milw0rm.com/exploits/3094)

Sun-Microsystems
Solaris
Solaris 2.4 ->lion24.c (http://milw0rm.com/exploits/328)
Solaris 2.6 with 107733-10 and without 107733-11 (http://milw0rm.com/exploits/1182)
Solaris 2.6 with 107733-10 and without 107733-11 (http://milw0rm.com/exploits/1182)
Solaris 5.5.1 ->X11R6.3 xterm (http://milw0rm.com/exploits/338)
Solaris 7 with 106950-14 through 106950-22 and without 106950-23 (http://milw0rm.com/exploits/1182)
Solaris 7 with 106950-14 through 106950-22 and without 106950-23 (http://milw0rm.com/exploits/1182)
Solaris 7 without patch 107178-03 (http://milw0rm.com/exploits/714)
Solaris 7 without patch 107178-03 (http://milw0rm.com/exploits/713)
Solaris 8 without patch 108949-08 (http://milw0rm.com/exploits/713)
Solaris 8 without patch 108949-08 (http://milw0rm.com/exploits/714)
Solaris 8 with 109147-07 through 109147-24 and without 109147-25 (http://milw0rm.com/exploits/1182)
Solaris 8 with 108993-14 through 108993-31 and without 108993-32 (http://milw0rm.com/exploits/715)
Solaris 8 with 109147-07 through 109147-24 and without 109147-25 (http://milw0rm.com/exploits/1182)
Solaris 8 with 108993-14 through 108993-31 and without 108993-32 (http://milw0rm.com/exploits/715)
Solaris 9 without patch 116308-01 (http://milw0rm.com/exploits/714)
Solaris 9 without patch 116308-01 (http://milw0rm.com/exploits/713)
Solaris 9 without 113476-11 (http://milw0rm.com/exploits/715)
Solaris 9 without 112963-09 (http://milw0rm.com/exploits/1182)
Solaris 9 without 113476-11 (http://milw0rm.com/exploits/715)
Solaris 9 without 112963-09 (http://milw0rm.com/exploits/1182)
Solaris 10 (libnspr) Arbitrary File Creation Local Root Exploit (http://milw0rm.com/exploits/2543)
Solaris 10 (libnspr) constructor Local Root Exploit (http://milw0rm.com/exploits/2641)

SunOS
SunOS 5.10 Generic i86pc i386 i86pc (http://milw0rm.com/exploits/1073)
SunOS 5.9 Generic_112233-12 sun4u (http://milw0rm.com/exploits/1073)