CentOS Errata and Bugfix Advisory 2015:1537 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1537.html

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

x86_64:
d1b9fd706e541b592c4b6cb2d5ff5f95a4e2201c69f16359028f11b1320a2b21  libblkid-2.23.2-22.el7_1.1.i686.rpm
0b90c987fa7e2c618f2442e41fa184b61bbfe56b4e8bda5e624bf4922ebbb558  libblkid-2.23.2-22.el7_1.1.x86_64.rpm
a8644c46f06b275790ba5ed1f1a858f3afa176d14fd5738ea5949ff6c0f73fef  libblkid-devel-2.23.2-22.el7_1.1.i686.rpm
bf917a4e9f076ecc5715f1ff1af92008a3053c6cffa01117bcc23c33c620c613  libblkid-devel-2.23.2-22.el7_1.1.x86_64.rpm
a0723045be90b18f0e78e8f7c856130705857fff327d24473579f64239fd641b  libmount-2.23.2-22.el7_1.1.i686.rpm
e831e17eb190a3989c2d194b26d3c28b9c4815a3e7f87ee721a3cb2abc1d7d5c  libmount-2.23.2-22.el7_1.1.x86_64.rpm
b8aa747ff5038c6467997623b4a628ab1989a0dd523193d94bd0fa300004ebfe  libmount-devel-2.23.2-22.el7_1.1.i686.rpm
8697ee56b5848be6796958902c23e88e0fc719b1dc3c3195711f5e728b48b8cd  libmount-devel-2.23.2-22.el7_1.1.x86_64.rpm
c9e442aec9e8b13579f27b85526fe93e57ffd9341fd16b5fa0ac39e2102375e8  libuuid-2.23.2-22.el7_1.1.i686.rpm
d41d583fa185594f03c1637ced63393471728245f59be393fbdd9a9ebc4e267f  libuuid-2.23.2-22.el7_1.1.x86_64.rpm
61e48caba09b205128c14062d646df924f30da16a922bcefa6d87147f1598cee  libuuid-devel-2.23.2-22.el7_1.1.i686.rpm
110655e092f6a3731ebe94230bd737b8997d913c23f404e16e7fc434580046f9  libuuid-devel-2.23.2-22.el7_1.1.x86_64.rpm
515e5cc98d820e46f4c3c6c2c57398f9a6aeccdc3445269a3c93c4a01adabb4f  util-linux-2.23.2-22.el7_1.1.i686.rpm
bba81963582f03b234a0856f0b33e69470ac0a140c030fa2095e6920a4c090e3  util-linux-2.23.2-22.el7_1.1.x86_64.rpm
1ee7dd70ffa6ae622214ec4aa3c465a258c3b73ce349f4ecde8be68b46b34abf  uuidd-2.23.2-22.el7_1.1.x86_64.rpm

Source:
ab1e4a1758cf32dad4b273d51f4aaf7ec82dddd7d6a411b01953801243fe0c8d  util-linux-2.23.2-22.el7_1.1.src.rpm