I can confirm that my 9.04 system works correctly with an "Incorrect password... try again" message, but in 10.04 there is no opportunity to re-enter the password and gain su access once you enter an incorrect password.
I can confirm that my 9.04 system works correctly with an "Incorrect password... try again" message, but in 10.04 there is no opportunity to re-enter the password and gain su access once you enter an incorrect password.