A kernel security update has been released for CentOS 6.

CentOS-announce: CESA-2020:4182 Important CentOS 6 kernel Security Update

CentOS Errata and Security Advisory 2020:4182 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2020:4182

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

i386:
a4324ccfcccc4613bed19100b711a36789a0d46b84392b4eda6c4d0a434c2b08 kernel-2.6.32-754.35.1.el6.i686.rpm
ce8a1790390c1920d3b3cfe0540658499009c2f2fe9bfaf990fec534197c877b kernel-abi-whitelists-2.6.32-754.35.1.el6.noarch.rpm
4abfa019519d1b3bfe8f1018850719b377f992fababb4e33fa9307dfd1194ba0 kernel-debug-2.6.32-754.35.1.el6.i686.rpm
7c74392f0655952951c5db0299e59c117691b6139d82ea75b9ba01d80fd97684 kernel-debug-devel-2.6.32-754.35.1.el6.i686.rpm
0bec59f403abcfc4f91800ad426675b14c39bd4993f8768a2b244b6c2c4f8313 kernel-devel-2.6.32-754.35.1.el6.i686.rpm
5068119f93e2d71d2a00ee107db9576671cc73816b7aa80d4020b62db91f0216 kernel-doc-2.6.32-754.35.1.el6.noarch.rpm
21129fbdc585f999c9771847ba5772dbdefd13a825ec0bd979c6806fe216a04b kernel-firmware-2.6.32-754.35.1.el6.noarch.rpm
8487b3aecd533f3f9ebef48d8c5f060ad05ae1b6c9cb94a6279789fce1afa56f kernel-headers-2.6.32-754.35.1.el6.i686.rpm
a5484c9851f17971a0563b2f554b4d695bc7e39318705a101f8829d9642d029b perf-2.6.32-754.35.1.el6.i686.rpm
a7844297446da4c5a1a70bea318189b25b9b47c9bedc836dfc3e7bb3cd0f15c5 python-perf-2.6.32-754.35.1.el6.i686.rpm

x86_64:
866c2af102c93903443d089ba441788ac36a22d6099b81d91f8ea83bea918ead kernel-2.6.32-754.35.1.el6.x86_64.rpm
ce8a1790390c1920d3b3cfe0540658499009c2f2fe9bfaf990fec534197c877b kernel-abi-whitelists-2.6.32-754.35.1.el6.noarch.rpm
ca8cf592e13cadd33b5e02b06d0ea52bfd9d451cc9cf01f69e45ffefc985f7dc kernel-debug-2.6.32-754.35.1.el6.x86_64.rpm
7c74392f0655952951c5db0299e59c117691b6139d82ea75b9ba01d80fd97684 kernel-debug-devel-2.6.32-754.35.1.el6.i686.rpm
43fb1f3768d6b5ca543fd050a6e61a2a9ecc116c632b3d33811a054169c93e82 kernel-debug-devel-2.6.32-754.35.1.el6.x86_64.rpm
8cc67aafc0843ca61779e133ec697eaf6f188ecc2fad73c3bd302f612685413c kernel-devel-2.6.32-754.35.1.el6.x86_64.rpm
5068119f93e2d71d2a00ee107db9576671cc73816b7aa80d4020b62db91f0216 kernel-doc-2.6.32-754.35.1.el6.noarch.rpm
21129fbdc585f999c9771847ba5772dbdefd13a825ec0bd979c6806fe216a04b kernel-firmware-2.6.32-754.35.1.el6.noarch.rpm
0e40d0c49d1cf244bed0fda5862d835fe4d67ad75e43ea17723fc4ee2ae8655b kernel-headers-2.6.32-754.35.1.el6.x86_64.rpm
fde565954c781bf973bc60b19073dee20c5b91abc5ea374e3ebd00cf5e21aa7b perf-2.6.32-754.35.1.el6.x86_64.rpm
e35e2899063cab918a971e79d6e048bc4742163056a031a49e40b64178c6aa0d python-perf-2.6.32-754.35.1.el6.x86_64.rpm

Source:
094ad6a7e4512f8b440f8b86e956d1c0d5c7eb7841593ba0d587869c19348a6b kernel-2.6.32-754.35.1.el6.src.rpm