/usr/share/doc/texlive-doc/latex/epslatex-fr/cm.ps is in texlive-doc-fr 2009-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/texlive-doc/latex/epslatex-fr/../../../texlive-doc-fr/latex/epslatex-fr/cm.ps