How can Jesus be the Messiah if he does not come from the direct linage of David?

According to the Old Testament, the messiah would be a direct linage of David (Isaiah 11:1, Jeremiah 23:5, Jeremiah 33:15, 2 Samuel 7:12-13), but according to the New Testament Christ has no earthly biological father, which poses a problem, since linage we carried through the father (Numbers 1:18), so my question being if Christ was the messiah, how could he be when the messiah was from the direct linage of David? And Christ did not have a direct male linage