Isolation Violation in IBM PowerVM Hypervisor
CVE-2021-38918

8.6HIGH

Key Information:

Vendor

IBM
Status
Powervm Hypervisor
Vendor
CVE Published:
5 January 2022

What is CVE-2021-38918?

The vulnerability allows for a specific sequence of VM management operations within IBM PowerVM Hypervisor to compromise the isolation between virtual machines (VMs). This issue can potentially enable unauthorized access or interference between peer VMs, raising significant security concerns in multi-tenant environments.

Affected Version(s)

PowerVM Hypervisor FW940

PowerVM Hypervisor FW950

PowerVM Hypervisor FW860

References

https://www.ibm.com/support/pages/node/6525032
x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilities/210019
vdb-entryx_refsource_XF

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.