A kernel security update has been released for CentOS 7.

CESA-2021:0856 Important CentOS 7 kernel Security Update

CentOS Errata and Security Advisory 2021:0856 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2021:0856

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

x86_64:
a6119606e76fc09a37585914c2063026064b1b979d9cffcf71712c2218b4c3c2 bpftool-3.10.0-1160.21.1.el7.x86_64.rpm
b8c980b0d2eaf56affe69fde8c004c91dde7d83277578de4cfc8c06aaa322858 kernel-3.10.0-1160.21.1.el7.x86_64.rpm
62db43a91b2c1f3cd0407729f5c13f51ea098fea0aa9b90e2444d92166d1817d kernel-abi-whitelists-3.10.0-1160.21.1.el7.noarch.rpm
b918eb715248bdb46d8f49387310a25030a9f4fe192d5ee0f69fabde9b84d42d kernel-debug-3.10.0-1160.21.1.el7.x86_64.rpm
3f77e8c91079e010fb161e28eaf613452e1c25d2d67b0367cb344f3141bf3cb9 kernel-debug-devel-3.10.0-1160.21.1.el7.x86_64.rpm
4abf0ebc2127e7a5b5dfb595fa447cb44f339ff023ce88bb0a97992bba4cd3a9 kernel-devel-3.10.0-1160.21.1.el7.x86_64.rpm
29feb5e5f9922979d66fabe2aac8bd7fdd18f1915777acf5b360bb7e5cdb0109 kernel-doc-3.10.0-1160.21.1.el7.noarch.rpm
21af3e26269599f29ef700b687a3e84539aa03ffc025f0794649d54f0a041582 kernel-headers-3.10.0-1160.21.1.el7.x86_64.rpm
a133fe2fda391e345abde6444e57c6fbfb5ebcfe7720bc5b1ae1c3313bd38aed kernel-tools-3.10.0-1160.21.1.el7.x86_64.rpm
34255ef50bd9c16239a9a579c23a1bc1f046428a2aecf0fb06e04340b46af985 kernel-tools-libs-3.10.0-1160.21.1.el7.x86_64.rpm
6a47e214a36fc58ad9b00ab50073240c79076c8bd04a01dd01029f8ca43122bd kernel-tools-libs-devel-3.10.0-1160.21.1.el7.x86_64.rpm
2520a8d9459f82ba9401fb0a86ddb5154277672b55919b252535b199ef9fc3d4 perf-3.10.0-1160.21.1.el7.x86_64.rpm
9308a731a1aba4b9209f5cc4ee3e7f8bd57be5fa213ed219fd59941fb9b092cb python-perf-3.10.0-1160.21.1.el7.x86_64.rpm

Source:
26eccba611785427726d6ecdb0a26f910a6ac05b29f3f6e3afd12f4d363a52f9 kernel-3.10.0-1160.21.1.el7.src.rpm