CVE-2021-38923: IBM Powervm Hypervisor Firmware

Critical severity, CVSS 9.1. EPSS: 1.1% chance of exploitation in the next 30 days.

IBM PowerVM Hypervisor FW1010 could allow a privileged user to gain access to another VM due to assigning duplicate WWPNs. IBM X-Force ID: 210162.

Affected products

• IBM Powervm Hypervisor Firmware: version 1010 only

Published 2021-10-06. Last modified 2026-06-17.