Prevent the error:

setroubleshoot[23678]: SELinux is preventing /usr/libexec/mysqld from read access on the file core_pattern.

Reading of the core pattern occurs on crash as added in MDEV-15051

RHEL-7.7

$  ls -laZ /proc/sys/kernel/core_pattern
-rw-r--r--. root root system_u:object_r:usermodehelper_t:s0 /proc/sys/kernel/core_pattern