CVE-2021-38918: IBM Powervm Hypervisor

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

IBM PowerVM Hypervisor FW860, FW940, FW950, and FW1010, through a specific sequence of VM management operations could lead to a violation of the isolation between peer VMs. IBM X-Force ID: 210019.

Affected products

• IBM Powervm Hypervisor: version fw860 only; version fw940 only; version fw950 only; version fw1010 only

Published 2022-01-05. Last modified 2026-06-17.