CentOS Errata and Bugfix Advisory 2015:0692 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-0692.html

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

i386:
336eac9304d6754d3eab23c0c45796b89f4faa9dd69a15a83af130f15774af03  polkit-0.96-11.el6.i686.rpm
9e8a75d35acdb9b094ece75726a80d5b2a229d8641e5e1cdbf2ebba2aec9b512  polkit-desktop-policy-0.96-11.el6.noarch.rpm
fc4a101e5bc3ec1abf48632056e174700edf2a414f211a1b004f6205402275ca  polkit-devel-0.96-11.el6.i686.rpm
bade5d0398bb811d72083675327cabe93bbbc6e7f129c5b19d1758fc490ccf3d  polkit-docs-0.96-11.el6.i686.rpm

x86_64:
336eac9304d6754d3eab23c0c45796b89f4faa9dd69a15a83af130f15774af03  polkit-0.96-11.el6.i686.rpm
7fb2dc10f3ef3c15475def54c23c02c00d66acd39a89e860b1778512dc9bbd5c  polkit-0.96-11.el6.x86_64.rpm
9e8a75d35acdb9b094ece75726a80d5b2a229d8641e5e1cdbf2ebba2aec9b512  polkit-desktop-policy-0.96-11.el6.noarch.rpm
fc4a101e5bc3ec1abf48632056e174700edf2a414f211a1b004f6205402275ca  polkit-devel-0.96-11.el6.i686.rpm
75fe736d353c8919ea1b2666b6af57be4c0be6451daf003d7c379bdb9ee626fe  polkit-devel-0.96-11.el6.x86_64.rpm
04399b48f60eeecebf7b76a41b050bce52b9b41cd9bfd7cfd525ec358280c35a  polkit-docs-0.96-11.el6.x86_64.rpm

Source:
bca9435e496073ac382fa9f745d750dd23fc88c52852c50f487fb1b8d95f60f3  polkit-0.96-11.el6.src.rpm