The following updates has been released for CentOS:

CEEA-2014:1355 CentOS 5 tzdata Enhancement Update
CEEA-2014:1355 CentOS 6 tzdata Enhancement Update
CEEA-2014:1355 CentOS 7 tzdata Enhancement Update
CESA-2014:1352 Moderate CentOS 7 libvirt Security Update

CEEA-2014:1355 CentOS 5 tzdata Enhancement Update

CentOS Errata and Enhancement Advisory 2014:1355

Upstream details at : https://rhn.redhat.com/errata/RHEA-2014-1355.html

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

i386:
5dd343cbd6b2c315f5c037d8229b80c02c29228c25b6481e9aafa5eac224bd4c tzdata-2014h-2.el5.i386.rpm
54930f1954727524b2a65c2678772a6dd67d54ed94e5dc4a8619805da4d82171 tzdata-java-2014h-2.el5.i386.rpm

x86_64:
b302b440d1cbd0b8ca882acb65931b9e8b671cab2864dfb794d94af80a629264 tzdata-2014h-2.el5.x86_64.rpm
a0a377edcba02c6341320381b4ea8c59ff723f94c0eac760e90b6bbe8657f4a9 tzdata-java-2014h-2.el5.x86_64.rpm

Source:
46e17f84bff87914df35157a8aaa928a7c88e9a6ff25400ee4c276a7c20768ce tzdata-2014h-2.el5.src.rpm

CEEA-2014:1355 CentOS 6 tzdata Enhancement Update

CentOS Errata and Enhancement Advisory 2014:1355

Upstream details at : https://rhn.redhat.com/errata/RHEA-2014-1355.html

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

i386:
8478a7a8c207e68435859480f155e86325841242aefbb31a9f9171cf01f394fa tzdata-2014h-1.el6.noarch.rpm
c9aa98d2cb42be7efdd49f5268a9d268a3195df83a45477080aa65995c413f50 tzdata-java-2014h-1.el6.noarch.rpm

x86_64:
8478a7a8c207e68435859480f155e86325841242aefbb31a9f9171cf01f394fa tzdata-2014h-1.el6.noarch.rpm
c9aa98d2cb42be7efdd49f5268a9d268a3195df83a45477080aa65995c413f50 tzdata-java-2014h-1.el6.noarch.rpm

Source:
66a194c5537755201e4a510d251303e2e4bbdac0e1f49911a6e6d583e5100d10 tzdata-2014h-1.el6.src.rpm

CEEA-2014:1355 CentOS 7 tzdata Enhancement Update

CentOS Errata and Enhancement Advisory 2014:1355

Upstream details at : https://rhn.redhat.com/errata/RHEA-2014-1355.html

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

x86_64:
ff21b78082b95850edb4958a82f95265ae7ce15cee4f61408bc9b6a8189b8636 tzdata-2014h-1.el7.noarch.rpm
ae1db34fc4cc85fe92ea78fb5c0303bcae86d689973dd35ea6d87160e5cc4a84 tzdata-java-2014h-1.el7.noarch.rpm

Source:
4b8d36b1b425e314fc1ebdbca475fc8899eb588b40fda4cfd29d75648cf91360 tzdata-2014h-1.el7.src.rpm

CESA-2014:1352 Moderate CentOS 7 libvirt Security Update

CentOS Errata and Security Advisory 2014:1352 Moderate

Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-1352.html

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

x86_64:
5d4e335476289de76b6876d8ca2c4d3a5693d1be4cbfbc75182490a1baaa75bf libvirt-1.1.1-29.el7_0.3.x86_64.rpm
8ea2020ae45d9667c3a6b2b70199ff3ddc2477fd9a0290364e8410cee9ab5185 libvirt-client-1.1.1-29.el7_0.3.i686.rpm
80883e84d8663ffe584397bc70cde3b6885e3960090e510449261fbd060a7dfd libvirt-client-1.1.1-29.el7_0.3.x86_64.rpm
09365cea21fecf4cacceef67d6aaebf2c4f1681b3718c8d60782ebd31d05793a libvirt-daemon-1.1.1-29.el7_0.3.x86_64.rpm
039014ec72916b7e47fe8d19fb74ad45fe9102e834ea71f088e58a30bae6f85b libvirt-daemon-config-network-1.1.1-29.el7_0.3.x86_64.rpm
4d8033781ad5077f2f6a6b59927db8d880d588b259decf62bac16d6f27bb621f libvirt-daemon-config-nwfilter-1.1.1-29.el7_0.3.x86_64.rpm
23569edf9e4346dfbd9a68aee7dbbb87f393545f9f9f211c97999645111f784c libvirt-daemon-driver-interface-1.1.1-29.el7_0.3.x86_64.rpm
3b9cb23f9d14fee9086e1cc9880bfe8281d32870c63e07a15fc1d8d81feb7dca libvirt-daemon-driver-lxc-1.1.1-29.el7_0.3.x86_64.rpm
cfe4df1695ab422e912e7b2307ad8643db22cf533e620496c77fffc1f242841d libvirt-daemon-driver-network-1.1.1-29.el7_0.3.x86_64.rpm
e3804dd562afe94e9ddc06e4b3f8667a8c5499830ce25a1514807f00383b036e libvirt-daemon-driver-nodedev-1.1.1-29.el7_0.3.x86_64.rpm
44ddadb96a7905574797f1e3f80358209514365654ae3ef586dbef6115210a87 libvirt-daemon-driver-nwfilter-1.1.1-29.el7_0.3.x86_64.rpm
4fe40757899a828e89e12ba087bfeb61b419e000fc9ded701d2059e69b50d776 libvirt-daemon-driver-qemu-1.1.1-29.el7_0.3.x86_64.rpm
9633932a78618c4262012137e660fb48b919dc35f06623e75a34871fcfec5288 libvirt-daemon-driver-secret-1.1.1-29.el7_0.3.x86_64.rpm
16b7dc9f8ed16bd0fb68b318df39f377506cd3949829be8d6947419cb776fe26 libvirt-daemon-driver-storage-1.1.1-29.el7_0.3.x86_64.rpm
9c1ddd2ef885dc5cbce1540ea61ad96e3710278b3ae9e43883a2e1da072ff1cf libvirt-daemon-kvm-1.1.1-29.el7_0.3.x86_64.rpm
688eb39000bc87c3c1eaf46b0552f8dc344cd18b6a29da03c2be6d38d38d2b22 libvirt-daemon-lxc-1.1.1-29.el7_0.3.x86_64.rpm
e37deb636beaeb465d2a865b9f2fdc4c651aaf8c0273bc8c57425293e8db20d4 libvirt-devel-1.1.1-29.el7_0.3.i686.rpm
6fdae96140597670be8265d68ff952c2ecf5dfdabe4d6bedf347a84aa69819bd libvirt-devel-1.1.1-29.el7_0.3.x86_64.rpm
eb1f57f07285f612fa5395c87b4b35ea45e15d68b0ff50652720c4a2a999b7c1 libvirt-docs-1.1.1-29.el7_0.3.x86_64.rpm
fd39913f5cccb50116fa38a20f747bb89e44d528e888682741d954db6ed82ca5 libvirt-lock-sanlock-1.1.1-29.el7_0.3.x86_64.rpm
11fb63467cdfd83fd985c23da250b7dc12106ae407bb8171917003f6e09416d5 libvirt-login-shell-1.1.1-29.el7_0.3.x86_64.rpm
937fe26ae532a0d4709db886e4a4e2bcbb55ee8d2ae17c40f42cd15f5211a2c3 libvirt-python-1.1.1-29.el7_0.3.x86_64.rpm

Source:
de7527a24db56a274b091010da214c4da03cc99577966c4d65127480e1616d4b libvirt-1.1.1-29.el7_0.3.src.rpm