Updated kernel and RPM packages has been released for CentOS 7:

CESA-2014:1971 Important CentOS 7 kernel Security Update
CESA-2014:1976 Important CentOS 7 rpm Security Update

CESA-2014:1971 Important CentOS 7 kernel Security Update

CentOS Errata and Security Advisory 2014:1971 Important

Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-1971.html

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

x86_64:
0ba4633c95c00c8c0e680e4ba25a7d86b814997e770ec969b13786e7dc293edb kernel-3.10.0-123.13.1.el7.x86_64.rpm
9394409a1a2198f722c5413405cab3a02ff9f3e84a4b7ebbc79bfd4d33a9c1bf kernel-abi-whitelists-3.10.0-123.13.1.el7.noarch.rpm
c1fccd2c7a95dae3ccd3b4d3970c96fcda48c7fe21c8a7e8580dd19171c51278 kernel-debug-3.10.0-123.13.1.el7.x86_64.rpm
b694c8adb48d481617db3056c34dd455962bf48994ebd5ac7339d5169842766d kernel-debug-devel-3.10.0-123.13.1.el7.x86_64.rpm
fa1622aaa604897b79cd7e468b9d99c81c4e9b2c94c24ebacb6f94070907f579 kernel-devel-3.10.0-123.13.1.el7.x86_64.rpm
5db912400deea9b97dcbfb113d5dc67e47c6f04f763cdc28615f9eb7cf74c59d kernel-doc-3.10.0-123.13.1.el7.noarch.rpm
198ad46ad016f25e59c0d96daf207feaaf214c90e41c33e03324141f4d485c7e kernel-headers-3.10.0-123.13.1.el7.x86_64.rpm
ddb99325960b064fb283c5a2dbc505b8a452663d00bbd6e6247150c53a834e18 kernel-tools-3.10.0-123.13.1.el7.x86_64.rpm
bc0c7bde959031b02fe76e4ff4016d61bb0db6bc6cb15fe5bf7b858814539eaa kernel-tools-libs-3.10.0-123.13.1.el7.x86_64.rpm
ac5b1b0066d71d38f2a5e2a231b6b81603dfd4f16c314d8eb94738550f4b2af1 kernel-tools-libs-devel-3.10.0-123.13.1.el7.x86_64.rpm
1221821e953c8c6122b87ca9878ef3fe69dac93243061e13fb6f8756a313fc0d perf-3.10.0-123.13.1.el7.x86_64.rpm
2ad0cf510727c006412e2ca1c944e0e47fb6cfb6c24a2bb86d3e6cbf61cc51b4 python-perf-3.10.0-123.13.1.el7.x86_64.rpm

Source:
264dd245a168050e3c8cf54adf892827786fd07a03f55cc45e6b9fdb46486354 kernel-3.10.0-123.13.1.el7.src.rpm

CESA-2014:1976 Important CentOS 7 rpm Security Update

CentOS Errata and Security Advisory 2014:1976 Important

Upstream details at : https://rhn.redhat.com/errata/RHSA-2014-1976.html

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

x86_64:
42d0d9d8c43646be6bb73af2645e7e7d00613ffbd7281a167e938e13254d838d rpm-4.11.1-18.el7_0.x86_64.rpm
3718d08372462fb7670e87dd49c55ccd3ba241c9c99b849478fcba4783f78102 rpm-apidocs-4.11.1-18.el7_0.noarch.rpm
4cb5f67b92322653529f9c2c4f21756e4500c4c009c8d7e76a9ef29fa92e8d52 rpm-build-4.11.1-18.el7_0.x86_64.rpm
6d0cd4d0e424f21e6f51b89a9eb81b42c6d36824e16d8ff839f442c5504e081b rpm-build-libs-4.11.1-18.el7_0.i686.rpm
5414fe17e10dc2032fb7dd007f983acdee938c21c9352351e9c8a1529e990275 rpm-build-libs-4.11.1-18.el7_0.x86_64.rpm
e9e3de0f85d9f06931ea379c9c0b9da041468986f4c6e96029c8ae918ab44db5 rpm-cron-4.11.1-18.el7_0.noarch.rpm
e8f8a8be3445672da00e8c2a687b902981c6ea453bc3e87b6d0e83b9a93b6b94 rpm-devel-4.11.1-18.el7_0.i686.rpm
5e9ad78b8bbb20470671e3575657468c7db209156600b5502d06e3055e9a9808 rpm-devel-4.11.1-18.el7_0.x86_64.rpm
b1cad417e97633e8989ffbc62512f9b51323d3adfe3f87455dd40df0cfc43ffd rpm-libs-4.11.1-18.el7_0.i686.rpm
44fe1c44040cd329c58ae73a02c778715f8bf1528bfc7fd6a18eac2c0bc0dfd2 rpm-libs-4.11.1-18.el7_0.x86_64.rpm
16fd2ef83d8b529c171275273dfb52a68605557ad8aad56e6f56ca2481bfd0d6 rpm-python-4.11.1-18.el7_0.x86_64.rpm
03ddda6f66ed8a65c43f2fddc6f3d9475d5891dd264cb6bff83a3707e953b36a rpm-sign-4.11.1-18.el7_0.x86_64.rpm

Source:
7d5bbcb466c84459731a4830945d454ffbcf14b773fd318594d29e73fdde5052 rpm-4.11.1-18.el7_0.src.rpm