/usr/share/texmf/tex/ is in latex-cjk-chinese 4.8.3+git20120914-2ubuntu1.
This file is owned by root:root, with mode 0o755.
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/usr/share/texmf/tex/generic/
/usr/share/texmf/tex/generic/babel/
/usr/share/texmf/tex/generic/babel/pinyin.ldf
/usr/share/texmf/tex/generic/hyphen/
/usr/share/texmf/tex/generic/hyphen/pyhyph.tex
/usr/share/texmf/tex/latex/
/usr/share/texmf/tex/latex/CJK/
/usr/share/texmf/tex/latex/CJK/Bg5/
/usr/share/texmf/tex/latex/CJK/Bg5/Bg5.cap
/usr/share/texmf/tex/latex/CJK/Bg5/Bg5.chr
/usr/share/texmf/tex/latex/CJK/Bg5/Bg5.cpx
/usr/share/texmf/tex/latex/CJK/Bg5/Bg5.enc
/usr/share/texmf/tex/latex/CJK/Bg5/HK.enc
/usr/share/texmf/tex/latex/CJK/CNS/
/usr/share/texmf/tex/latex/CJK/CNS/EUC-TW.bdg
/usr/share/texmf/tex/latex/CJK/CNS/EUC-TW.chr
/usr/share/texmf/tex/latex/CJK/CNS/EUC-TW.enc
/usr/share/texmf/tex/latex/CJK/GB/
/usr/share/texmf/tex/latex/CJK/GB/GB.cap
/usr/share/texmf/tex/latex/CJK/GB/GB.cpx
/usr/share/texmf/tex/latex/CJK/UTF8/
/usr/share/texmf/tex/latex/CJK/UTF8/zh-Hans.cpx
/usr/share/texmf/tex/latex/CJK/UTF8/zh-Hant.cpx