The following kernel updates has been released for CentOS 6 and 7:

CESA-2018:2384 Important CentOS 7 kernel Security Update
CESA-2018:2390 Important CentOS 6 kernel Security Update

CESA-2018:2384 Important CentOS 7 kernel Security Update

CentOS Errata and Security Advisory 2018:2384 Important

Upstream details at : https://access.redhat.com/errata/RHSA-2018:2384

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

x86_64:
4c81a12f0c1bab43e45a688035081b68bc17d4ccaf219ad92b8a8a7856282106 kernel-3.10.0-862.11.6.el7.x86_64.rpm
85b7bd8c17bea34630282c70fdcbadb1daafcb112b0a1396770753f90d220c29 kernel-abi-whitelists-3.10.0-862.11.6.el7.noarch.rpm
406fb8d4fe1a048955208a96288505e3c8c0d0d58252650c21f113532fc5b62b kernel-debug-3.10.0-862.11.6.el7.x86_64.rpm
cc676de2fa76153f340ceb98d1f709314b404fb19c09f312266b53272f46f127 kernel-debug-devel-3.10.0-862.11.6.el7.x86_64.rpm
f28bacde434bc5801b423172e75c932654d153d05bde710306b56323e5ba6b36 kernel-devel-3.10.0-862.11.6.el7.x86_64.rpm
7c45bf82de48d08ad52586c38980366e51e71ff84cb9661452df41484e44598f kernel-doc-3.10.0-862.11.6.el7.noarch.rpm
6c041e73dfa61237e70ecc9f7c201581175a26a88bc2cdcbb2337e19e386d905 kernel-headers-3.10.0-862.11.6.el7.x86_64.rpm
e899bc77622146b49a47d58a04dffb8b22215fc8219f1dd8a5fb60dfdbaf9782 kernel-tools-3.10.0-862.11.6.el7.x86_64.rpm
69acbd5ba958c6f367edd0e484822134a325c7d1a97c6af7954d53c80fdb6457 kernel-tools-libs-3.10.0-862.11.6.el7.x86_64.rpm
d619c0a7d84568240e05b30e45a207fdc7f8acd7a93643f7d66128c0cf9943e6 kernel-tools-libs-devel-3.10.0-862.11.6.el7.x86_64.rpm
203da784ce254e22df2a78021c5cc97f3a5948432d4d04c49ec44bf1d630ff1a perf-3.10.0-862.11.6.el7.x86_64.rpm
94abbe3057a41b29f89163e5bd838b8c11015182a91f9c58647418d18808282c python-perf-3.10.0-862.11.6.el7.x86_64.rpm

Source:
aabaa81106744323a084655078fcb93498357768315f53020135688ec03cd21f kernel-3.10.0-862.11.6.el7.src.rpm

CESA-2018:2390 Important CentOS 6 kernel Security Update

CentOS Errata and Security Advisory 2018:2390 Important

Upstream details at : https://access.redhat.com/errata/RHSA-2018:2390

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

i386:
106a77192bd5329bcc3f7e388192dd6f180b0ab95f4680064d75f3c51d959702 kernel-2.6.32-754.3.5.el6.i686.rpm
62f7a798b08f065e936aa1f3d56a5c7fb4e9e41931a9d85f100f475517f7b017 kernel-abi-whitelists-2.6.32-754.3.5.el6.noarch.rpm
6e5987cd17220deecfa9e669c0be2ffcf42730dd99574c8e3a660e7f1ec7a6d5 kernel-debug-2.6.32-754.3.5.el6.i686.rpm
bcab4f5115d1f298efc4894f2d38ebeffd75ae4ee6292146550bbbefdda6f036 kernel-debug-devel-2.6.32-754.3.5.el6.i686.rpm
fda995f13c04b4f71fe7ecfb720266a0dade787c4f48b943581c6e75fcae5ef1 kernel-devel-2.6.32-754.3.5.el6.i686.rpm
83fbe21432b4cebf049ba18423bedb34f3f52ba72dd59c5609246d1a393cdb7f kernel-doc-2.6.32-754.3.5.el6.noarch.rpm
22a3605c9893c09958d7d691feec8819680b5117389fab7be28d52bc8f2f108d kernel-firmware-2.6.32-754.3.5.el6.noarch.rpm
17f99387f14bea201de0ef0fc9a117201a26595f9f1bde392504579c9ed71493 kernel-headers-2.6.32-754.3.5.el6.i686.rpm
bad0c18a9fcebb72f6a08aac18787222e1c3b10f49ca8eea1a015029c4761515 perf-2.6.32-754.3.5.el6.i686.rpm
fa8c69dafcb9bb4a209f8f2fae92a208389b3183a5a473608ef7d765601ec82a python-perf-2.6.32-754.3.5.el6.i686.rpm

x86_64:
a315d9824eba61490ec384774421d84baf2e853d12e031aaf9ea26f6459e4307 kernel-2.6.32-754.3.5.el6.x86_64.rpm
62f7a798b08f065e936aa1f3d56a5c7fb4e9e41931a9d85f100f475517f7b017 kernel-abi-whitelists-2.6.32-754.3.5.el6.noarch.rpm
67e08721326f15f1b4e9f2a062a45ef612c0d8a784d9f1e3e03f5bb677b56d34 kernel-debug-2.6.32-754.3.5.el6.x86_64.rpm
bcab4f5115d1f298efc4894f2d38ebeffd75ae4ee6292146550bbbefdda6f036 kernel-debug-devel-2.6.32-754.3.5.el6.i686.rpm
cc9f24337e23be4eeb20a1a87aa69dc91f9a765be4430c58e20ff31b782c75ba kernel-debug-devel-2.6.32-754.3.5.el6.x86_64.rpm
0c16e8f698561ed21e832431b402150f94fe0a0437c5c43a12b70c15306ebcf2 kernel-devel-2.6.32-754.3.5.el6.x86_64.rpm
83fbe21432b4cebf049ba18423bedb34f3f52ba72dd59c5609246d1a393cdb7f kernel-doc-2.6.32-754.3.5.el6.noarch.rpm
22a3605c9893c09958d7d691feec8819680b5117389fab7be28d52bc8f2f108d kernel-firmware-2.6.32-754.3.5.el6.noarch.rpm
0cd344a1d45d5d38e0b00cd2a966c4c6c5c436a830af589edc69ff43da620833 kernel-headers-2.6.32-754.3.5.el6.x86_64.rpm
8f0d34fb64a264cc1d345d3f929f4e0915b4eafab6516de5f32b2e11f4426e27 perf-2.6.32-754.3.5.el6.x86_64.rpm
bb421ac56e0ebc227b240dcdccd0a724da33c07fc92d8106b7e4e71c52cb3918 python-perf-2.6.32-754.3.5.el6.x86_64.rpm

Source:
4da720dc6cd3913aa9b54abb9d398295b74d5cfb64ea4c93f3eac61ac1070c08 kernel-2.6.32-754.3.5.el6.src.rpm