default or selected kernelversion does not have config value CONFIG_VIDEOBUF_DVB.
Result is shown for kernelversion 6.7-rc3

CONFIG_VIDEOBUF_DVB (not configurable)

modulename: videobuf-dvb.ko

configname: CONFIG_VIDEOBUF_DVB

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>VIDEOBUF_DVB
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
source code: