A camera module for surveillance of a passenger cabin of an aircraft, including a covering device for securing in a longitudinal cutout of a service channel including a carrier part having a circular securing cutout and including a mounting structure at least partly surrounding the securing cutout. A camera device includes a camera housing having a mounting portion with a spherically curved outer surface, and includes a camera unit having a lens accommodated in a front cutout of the camera housing, an optical sensor for generating image data, the optical sensor being in an interior of the camera housing, and a data interface for transferring the image data, wherein the camera housing is mounted by the mounting portion in the mounting structure to be rotatable or pivotable about at least two axes, and a locking device for locking the camera housing relative to the mounting structure.