Following medical tests in Qatar, the French federation (FFF) confirmed the news.
Hernandez, who plays for Bundesliga powerhouse Bayern Munich, limped off the field after holding his knee for a couple of minutes after being beaten to the ball by Mathew Leckie, who delivered the cross for Craig Goodwin’s first goal for Australia.
Theo Hernandez, his brother, replaced him.
“He needs to undergo tests, but it appears to be a serious matter. This is the major black spot for tonight “Following the game, Didier Deschamps was the coach.
Prior to defending the World Cup title they won in Russia four years prior, France had already lost a number of key players to injury.
The winner of the Ballon d’Or, Karim Benzema, will miss the tournament due to a knee injury he sustained in training on Saturday. He joins fellow striker Christopher Nkunku, defender Presnel Kimpembe, and long-term absentees Paul Pogba and N’Golo Kante.
France is in first place in Group D with three points, two more than Tunisia and Denmark, who tied 0-0 on Tuesday.