Please check your /etc/group file and add orasid,sidadm to DBA group and SAPSYS group , also
make sure to have your kernel exe br* files have permission as per sap note
113747 - Owners and authorizations for BR*Tools
Kindly let us know results once completed.
also , you can check permission of files before performing kernel upgrade. not a good attempt to upgrade brtools files...
Regards,