/usr/share/alsa/ucm/ is in libasound2 1.0.25-1ubuntu10.
This file is owned by root:root, with mode 0o755.
..
/usr/share/alsa/ucm/Panda/
/usr/share/alsa/ucm/Panda/FMAnalog
/usr/share/alsa/ucm/Panda/Panda.conf
/usr/share/alsa/ucm/Panda/hifi
/usr/share/alsa/ucm/Panda/hifiLP
/usr/share/alsa/ucm/Panda/record
/usr/share/alsa/ucm/Panda/voice
/usr/share/alsa/ucm/Panda/voiceCall
/usr/share/alsa/ucm/PandaES/
/usr/share/alsa/ucm/PandaES/FMAnalog
/usr/share/alsa/ucm/PandaES/PandaES.conf
/usr/share/alsa/ucm/PandaES/hifi
/usr/share/alsa/ucm/PandaES/hifiLP
/usr/share/alsa/ucm/PandaES/record
/usr/share/alsa/ucm/PandaES/voice
/usr/share/alsa/ucm/PandaES/voiceCall
/usr/share/alsa/ucm/SDP4430/
/usr/share/alsa/ucm/SDP4430/FMAnalog
/usr/share/alsa/ucm/SDP4430/SDP4430.conf
/usr/share/alsa/ucm/SDP4430/hifi
/usr/share/alsa/ucm/SDP4430/hifiLP
/usr/share/alsa/ucm/SDP4430/record
/usr/share/alsa/ucm/SDP4430/voice
/usr/share/alsa/ucm/SDP4430/voiceCall
/usr/share/alsa/ucm/tegraalc5632/
/usr/share/alsa/ucm/tegraalc5632/tegraalc5632.conf