CVE-2021-38918: High severity ibm powervm hypervisor firmware vulnerability

Published Dec 2, 2021
·
Updated

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.

Other sources

IBM PowerVM Hypervisor through a specific sequence of VM management operations could lead to a violation of the isolation between peer VMs.

IBM

Affected Software

8 affected components
IBM PowerVM Hypervisor<=FW860
IBM PowerVM Hypervisor<=FW1010
IBM PowerVM Hypervisor<=FW940
IBM PowerVM Hypervisor<=FW950
IBM PowerVM Hypervisor=fw860
IBM PowerVM Hypervisor=fw940
IBM PowerVM Hypervisor=fw950
IBM PowerVM Hypervisor=fw1010

Event History

Dec 2, 2021
CVE Published
via IBM·12:00 AM
Jan 5, 2022
CVE Published
via MITRE·04:30 PM
Data Sourced
via MITRE·04:30 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2021-38918?

CVE-2021-38918 has a high severity rating due to its potential to compromise the isolation of virtual machines in the PowerVM Hypervisor.

2

How do I fix CVE-2021-38918?

To fix CVE-2021-38918, ensure that you update your IBM PowerVM Hypervisor to the latest firmware version that addresses this vulnerability.

3

What products are affected by CVE-2021-38918?

CVE-2021-38918 affects IBM PowerVM Hypervisor versions FW860, FW940, FW950, and FW1010.

4

What are the implications of CVE-2021-38918?

CVE-2021-38918 can lead to a breach in isolation between peer virtual machines, potentially allowing unauthorized access to sensitive data.

5

Who is responsible for addressing CVE-2021-38918?

It is the responsibility of system administrators and IT teams utilizing the affected IBM PowerVM Hypervisor versions to address CVE-2021-38918.

Contact

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