/usr/share/texmf/fonts/enc/dvips/ is in lmodern 2.004.1-3.1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/texmf/fonts/enc/dvips/lm/
/usr/share/texmf/fonts/enc/dvips/lm/cork-lm.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-cs.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-cssc.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-cstt.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-ec.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-l7x.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-mathex.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-mathit.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-mathsy.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-qx.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-qxsc.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-qxtt.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-cmin.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-cmit.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-cmitt.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-cmrm.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-cmsc.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-cmtt.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-csin.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-csrm.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-cssc.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-cstt.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-plin.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-plit.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-plitt.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-plrm.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-plsc.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-pltt.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rep-t5psn.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rm.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rmsc.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-rmtt.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-t5.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-texnansi.enc
/usr/share/texmf/fonts/enc/dvips/lm/lm-ts1.enc