X-rays revealed the right-arm paceman had sustained a small fracture to the middle joint while he was fielding a ball at practice on Saturday.
Malinga's impressive returns of 2-23 were not enough to subdue Ross Taylor's sublime 29-ball 48 as New Zealand achieved victory by five wickets.
Taylor lifted New Zealand from a precarious 39 for three in their chase of 175 to complete the win in 19.3 overs and lead the three-match series 1-0.
In hindsight, Guptill has ambivalent feelings about the peculiar final: "I guess you see it as the best and the worst day of your cricketing career.'
In hindsight, Guptill has ambivalent feelings about the peculiar final: "I guess you see it as the best and the worst day of your cricketing career.
Karunaratne clarified to his teammates that he expects his batsmen to use their freedom with prudence.
Sri Lanka were bowled out for 122 runs after New Zealand declared their second innings on 431 for six with a first-innings lead of 185.
De Grandhomme, scoring 83 off 75 balls, and Watling, on 81, put together an unbeaten 113-run stand for the sixth wicket to frustrate Sri Lanka.
Northern win a nerve-wracking contest against KPK to march into final
Laxman, Smith picks Babar Azam in their dream 11 to beat India at home
Fakhar, Khushdil heroics propel Khyber Pakhtunkhwa to semi-final spot
Javed Miandad unhappy with Babar’s appointment as T20I captain
UAE wicketkeeper Ghulam Shabber leaves the team amidst corruption scandal
I always rated Sarfraz Ahmed as a cricketer: Harsha Bhogle
PCB apologizes for offensive tweet after Sarfaraz's sacking
Faf du Plessis hopes Brexit puts an end to the Kolpak system
Babar Azam creates record with another fifty
Hasnain to make T10 debut for Delhi Bulls