CentOS Errata and Bugfix Advisory 2015:1963 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1963.html

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

x86_64:
8fc7e4412cc5731f632bae9c79588e7addf5705dc499201154cb62c512f91c92  libnl3-3.2.21-9.el7_1.i686.rpm
647f84e34e98d1c905e04856397544f21d3f67cfbe32e0d2cb188f08581f597c  libnl3-3.2.21-9.el7_1.x86_64.rpm
42348ec4266cbf3b10dd15b19cdab9918e3a5acf66e51834711ee071f10336c8  libnl3-cli-3.2.21-9.el7_1.i686.rpm
c0b9127ffbde1ef5caaf8245e3d4b09d696b8bdcd5ac2903856460aee3480922  libnl3-cli-3.2.21-9.el7_1.x86_64.rpm
3de256d9444d588dccac729bf59a3d70abbac802caaf8c95a35b6ae0816ebf89  libnl3-devel-3.2.21-9.el7_1.i686.rpm
0e2d63ec8c9d4588444ba6ea65e77745fa31a0a15f8e2b7d89b55b229397a0dd  libnl3-devel-3.2.21-9.el7_1.x86_64.rpm
1692bfbbfda2d7b383361a2a1c384ba1ab3348a4d6baaaaf60bf3527e9cf4ef6  libnl3-doc-3.2.21-9.el7_1.x86_64.rpm

Source:
1f88fb7623f9b43c21196f5e387c5dc220ec89ab33737143e85fb15698881c5a  libnl3-3.2.21-9.el7_1.src.rpm