/usr/bin/vtdriverinfo is in libvpb0 4.2.54-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | #!/bin/sh
#
# Simple script to scan the /sys tree for information about
# Voicetronix drivers that are currently installed.
#
# Ron <ron@voicetronix.com.au>, 5-Aug-2006
for m in /sys/module/vt*; do
    [ -d $m ] || continue
    echo "${m##*/}:"
    for f in $m/*; do
    	[ -f $f ] || continue
	printf "  %-10s = $(cat $f)\n" "${f##*/}"
    done
    [ -d $m/parameters ] || continue
    echo "  parameters:"
    for f in $m/parameters/*; do
    	[ -f $f ] || continue
	printf "    %-8s = $(cat $f)\n" "${f##*/}"
    done
done
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