apt list --installed | grep linux-image
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
linux-image-4.19.0-18-amd64/now 4.19.208-1 amd64 [installed,local]
linux-image-4.19.0-25-amd64/now 4.19.289-2 amd64 [installed,local]
grep -r '' /etc/apt/sources.list*...