None of the FlashGrid software components use log4j or Java.
Oracle has identified that AHF/TFA (installed as part of Oracle Grid Infrastructure) requires an update to address this vulnerability. See details in https://support.oracle.com/epmos/faces/DocumentDisplay?id=2550798.1
For more information specific to Oracle Database/GI see https://support.oracle.com/epmos/faces/DocumentDisplay?id=2796575.1#mozTocId415151
For information about other Oracle products see https://support.oracle.com/rs?type=doc&id=2827611.1
3rd-party software installed by customers on FlashGrid systems may be using log4j. We recommend all customers to check which 3rd-party software they have installed on FlashGrid systems and confirm with the corresponding vendor(s) whether their software uses log4j.