Source: The Great Interpretation of Dreams (Ibn Sirin)
Burial in a dream indicates a long journey, prison, or marriage. Whoever sees himself being buried alive will be imprisoned or afflicted with great worry.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Burying a dead person indicates paying off their debt or following their way. Burying a living person indicates overpowering and oppressing them.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Burial is interpreted as worry and prison. Whoever sees himself burying something is hiding a secret or money.