CentOS Errata and Bugfix Advisory 2015:1775 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1775.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( sha256sum Filename ) 

x86_64:
6afcf927fc0ac53a5c1d49dcda97b1026b8d0c0f6ccfcc5955ba6ab4a86cf68f  libgudev1-208-20.el7_1.6.i686.rpm
e32cc66c449b8677752dfd7129b0daed217187ab3710fe188f6aac29f6b5f529  libgudev1-208-20.el7_1.6.x86_64.rpm
61099b0429b8a4ea95b04ea175124ac2d5ecd5c023feaeb844507a63e8e21517  libgudev1-devel-208-20.el7_1.6.i686.rpm
5127f1cb95e5571a3a771646ea0fa48c7d5edfa09ac0743ca1096c981f27346a  libgudev1-devel-208-20.el7_1.6.x86_64.rpm
8b0d309ee920b650bb4c2d9ffd8af345a4dc45d07277f5e705d20bd8d8c4208a  systemd-208-20.el7_1.6.x86_64.rpm
e7d67e2f98fff2f5f940c8738fcf570a2b7c6d060d3efc0827ccbfd49da6f4c1  systemd-devel-208-20.el7_1.6.i686.rpm
090c88a46fd19eca1d6223d583c5cffbc4a14fec58f75037962f9193ffa1ef70  systemd-devel-208-20.el7_1.6.x86_64.rpm
7bfff72270079098972a41b3922d49b24d85c409b8c671b79f5044765af06dc5  systemd-journal-gateway-208-20.el7_1.6.x86_64.rpm
3fa45e05ad0e6f2c9c9b37659a1be2d8d473e3c709fb3baffebe0a4d2fba1317  systemd-libs-208-20.el7_1.6.i686.rpm
7c72404b2bed9331cd4921d73b54050a47f9f84a87da58664f54811c891c3531  systemd-libs-208-20.el7_1.6.x86_64.rpm
be709b3445addac536f0605937b74dbeb290904fffeb0e9f66583cfb5477fb1f  systemd-python-208-20.el7_1.6.x86_64.rpm
ff616c9b3d38a6041aba014705815eff165c12501650944d8e88a3f9fa292204  systemd-sysv-208-20.el7_1.6.x86_64.rpm

Source:
c7d1a69403ee302755ed0222ba2dd2d47c93cba038c7c945599bc1353c454d52  systemd-208-20.el7_1.6.src.rpm