17 55el7x8664 already installed and latest version

Package glibc-common-2.17-55.el7.x86_64 already installed and latest version
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[[email protected] ~]# yum search compat-libstdc*
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Warning: No matches found for: compat-libstdc*
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[[email protected] ~]# yum search compat
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============================= N/S matched: compat ==============================
compat-db-headers.noarch : The Berkeley DB database compatibility headers
compat-db47.i686 : The Berkeley DB database 4.7.25 compatibility library
compat-db47.x86_64 : The Berkeley DB database 4.7.25 compatibility library
compat-gcc-44.x86_64 : Compatibility GNU Compiler Collection
compat-gcc-44-c++.x86_64 : C++ support for compatibility compiler
compat-glibc.x86_64 : Compatibility C library
compat-libf2c-34.i686 : Fortran 77 compatibility runtime
compat-libf2c-34.x86_64 : Fortran 77 compatibility runtime
compat-libgfortran-41.i686 : Compatibility Fortran 95 runtime library version
: 4.1.2
compat-libgfortran-41.x86_64 : Compatibility Fortran 95 runtime library version
: 4.1.2
compat-libtiff3.i686 : Compatibility package for libtiff 3
compat-libtiff3.x86_64 : Compatibility package for libtiff 3
compat-openldap.i686 : OpenLDAP compatibility shared libraries
compat-openldap.x86_64 : OpenLDAP compatibility shared libraries
nss_compat_ossl.i686 : Source-level compatibility library for OpenSSL to NSS
: porting
nss_compat_ossl.x86_64 : Source-level compatibility library for OpenSSL to NSS
: porting
polkit-pkla-compat.x86_64 : Rules for polkit to add compatibility with
: pklocalauthority
rarian-compat.x86_64 : Extra files for compatibility with scrollkeeper
compat-dapl.i686 : Library providing access to the DAT 1.2 API
compat-dapl.x86_64 : Library providing access to the DAT 1.2 API
compat-glibc-headers.x86_64 : Header files for development using standard C
: libraries.
compat-libcap1.i686 : Library for getting and setting POSIX.1e capabilities
compat-libcap1.x86_64 : Library for getting and setting POSIX.1e capabilities
google-crosextra-caladea-fonts.noarch : Serif font metric-compatible with
: Cambria font
google-crosextra-carlito-fonts.noarch : Sans-serif font metric-compatible with
: Calibri font
gutenprint-cups.x86_64 : CUPS drivers for Canon, Epson, HP and compatible

: printers
libieee1284.i686 : A library for interfacing IEEE 1284-compatible devices
libieee1284.x86_64 : A library for interfacing IEEE 1284-compatible devices
openssl098e.i686 : A compatibility version of a general cryptography and TLS
: library
openssl098e.x86_64 : A compatibility version of a general cryptography and TLS
: library
pcre.i686 : Perl-compatible regular expression library
pcre.x86_64 : Perl-compatible regular expression library
perl-DateTime-Format-DateParse.noarch : Parse Date::Parse compatible formats
perl-JSON-PP.noarch : JSON::XS compatible pure-Perl module
perl-libintl.x86_64 : Internationalization library for Perl, compatible with
: gettext
python-six.noarch : Python 2 and 3 compatibility utilities
slapi-nis.x86_64 : NIS Server and Schema Compatibility plugins for Directory
: Server
zip.x86_64 : A file compression and packaging utility compatible with PKZIP
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