Real Madrid lost their second La Liga game of the season as Valencia smashed the defending champions 4-1 on Sunday.
He somehow scooped the ball over Thibaut Courtois for Valencia's second goal.
And his showing at the back was the subject of criticism with Benzema's former representative Karim Djaziri giving a scathing assessment.
On Twitter, he wrote: "Since the Manchester City match, [Varane] has been a shadow of himself."
Of course, Varane failed to impress when Real Madrid played Manchester City in the Champions League last season.
He was at fault for two goals as City dumped Zinedine Zidane's team out of the competition.
Djaziri's dig at Varane comes after Benzema told Ferland Mendy not to pass the ball to Vinicius Junior.
They've since made up with Benzema in the middle of another potential row.
Varane, 27, signed for the Bernabeu club in 2011 as a teenager and has helped his side to domestic and European success, winning three league titles and four Champions League titles, among other trophies.
Benzema and Co, meanwhile, return to action on November 21 when they face Villarreal in the league.
Featured Image Credit: PA/PA
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