肯定可以啊,7.5 都可以的，主要是依赖问题解决，就无所畏惧。

[oracle@node03 ~]$ sqlplus / as sysdba

SQL*Plus: Release 21.0.0.0.0 - Production on Mon Aug 16 12:03:13 2021
Version 21.3.0.0.0

Copyright (c) 1982, 2021, Oracle.  All rights reserved.


Connected to:
Oracle Database 21c Enterprise Edition Release 21.0.0.0.0 - Production
Version 21.3.0.0.0

SQL> exit
Disconnected from Oracle Database 21c Enterprise Edition Release 21.0.0.0.0 - Production
Version 21.3.0.0.0
[oracle@node03 ~]$ cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 7.5 (Maipo)