IBM Power9 (AIX 7.1, 7.2, and VIOS 3.1) processors could allow a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances. IBM X-Force ID: 189296.
https://www.oracle.com/security-alerts/cpujul2022.html
https://www.ibm.com/support/pages/node/6370729
https://exchange.xforce.ibmcloud.com/vulnerabilities/189296