A kernel security update has been released for CentOS 6.

CentOS-announce: CESA-2020:2103 Important CentOS 6 kernel Security Update

CentOS Errata and Security Advisory 2020:2103 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2020:2103

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

i386:
0525eda8618bafdacea1bcd6537697f04f4d8f34455f566fb2fa6609446522bf kernel-2.6.32-754.29.2.el6.i686.rpm
a6e6dfcf6c101fd1dc94a4e8ad9a39b586025fb7ead86619324e1268a9c49752 kernel-abi-whitelists-2.6.32-754.29.2.el6.noarch.rpm
8984db1e849049e18f2356a2ef0f185b33e23f69cf666d8dcbdd7f9bfc16070b kernel-debug-2.6.32-754.29.2.el6.i686.rpm
0f93e7eea3959538267df3da47e1d3af590de7fa60d0f37357d2011dcee88b06 kernel-debug-devel-2.6.32-754.29.2.el6.i686.rpm
45acd0c5a87af754dcd4d43e899b082d463eb8445dfa0b88f309f94cad2df6a1 kernel-devel-2.6.32-754.29.2.el6.i686.rpm
2ecab1ddeccbeacfbf3b83de93843feef3e8d6c83636bd574c922aed7e1729c8 kernel-doc-2.6.32-754.29.2.el6.noarch.rpm
f513627acaee193edd7524bde7e88324ece0f0a8137f03c1ac5ab878935cff63 kernel-firmware-2.6.32-754.29.2.el6.noarch.rpm
14f2cd23aeebb94e2817bb17f1bbf0701bbf37bcf2d184a2f7b2412f40072798 kernel-headers-2.6.32-754.29.2.el6.i686.rpm
91cc1c9bd62e787bf89670f02007f674e84111400ceeaed73a8361c2dae831be perf-2.6.32-754.29.2.el6.i686.rpm
1e3c9c60139a8fadb69b936fdfecba185546d54643848288a5370126eb259aef python-perf-2.6.32-754.29.2.el6.i686.rpm

x86_64:
6880b9b005d3c9c4fb423a284c5bb532572b3d6cc1c7eb86e7f2d94db16e98e4 kernel-2.6.32-754.29.2.el6.x86_64.rpm
a6e6dfcf6c101fd1dc94a4e8ad9a39b586025fb7ead86619324e1268a9c49752 kernel-abi-whitelists-2.6.32-754.29.2.el6.noarch.rpm
d2d9bdbd5775ffcfcea3de4be05c03abda52dfc2394d355f044aca4cc3c902ab kernel-debug-2.6.32-754.29.2.el6.x86_64.rpm
0f93e7eea3959538267df3da47e1d3af590de7fa60d0f37357d2011dcee88b06 kernel-debug-devel-2.6.32-754.29.2.el6.i686.rpm
62d5fbcf133849c3bf44da9c826184efeeb50d9e2b6ce374e32522c1c89da7b8 kernel-debug-devel-2.6.32-754.29.2.el6.x86_64.rpm
5022f38c13ab5eae1af905e4d2a2653109446dbff10119361c446f787ff2bdf7 kernel-devel-2.6.32-754.29.2.el6.x86_64.rpm
2ecab1ddeccbeacfbf3b83de93843feef3e8d6c83636bd574c922aed7e1729c8 kernel-doc-2.6.32-754.29.2.el6.noarch.rpm
f513627acaee193edd7524bde7e88324ece0f0a8137f03c1ac5ab878935cff63 kernel-firmware-2.6.32-754.29.2.el6.noarch.rpm
89c27bfdb53c6c036a0f8190f1acfe9e83055aceb1184e2e76374a24a1a48f49 kernel-headers-2.6.32-754.29.2.el6.x86_64.rpm
15d6e0464ace7b65062ba706b2f34e0f381450749dd3150c7913580d9fc4a5c7 perf-2.6.32-754.29.2.el6.x86_64.rpm
fcd4cb914f163060d2b96acab5883c613fe711bd72a53e9cad43097b8f640975 python-perf-2.6.32-754.29.2.el6.x86_64.rpm

Source:
92e9e565daa54c2f732417729c2fdb1d440172a656312346b89c05630aea5875 kernel-2.6.32-754.29.2.el6.src.rpm