The Newcastle United defender joined the Serie A club on loan last summer.
However, after only making a handful of appearances in the first half of the season he was cut from Benevento's squad at the start of this month.
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Lazaar – who suffered an injury late last year – was axed to make space for new arrival Bacary Sagna, who left Manchester City last summer.
The 26-year-old will not be able to play for Benevento between now and the summer, when he hopes to go to the World Cup with Morocco.
Lazaar – who signed a five-year deal at United in the summer of 2016 after joining from Palermo – today reacted to reports on his situation at Benevento by posting a message on social network Instagram.
It read: "I know what I want and I'm coming for it."
Lazaar – who was told to train at Newcastle's Academy by manager Rafa Benitez last summer – attached photographs of himself working out.