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Security Bulletin: The PowerVM hypervisor is vulnerable to a carefully crafted IBMi hypervisor call that can lead to a system crash

Security Bulletin


Summary

The PowerVM hypervisor is vulnerable to a carefully crafted IBMi hypervisor call that can lead to a system crash

Vulnerability Details

CVEID:   CVE-2021-38937
DESCRIPTION:   IBM PowerVM Hypervisor could allow an authenticated user to cause the system to crash using a specially crafted IBMi Hypervisor call.
CVSS Base score: 6.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/210894 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
PowerVM HypervisorFW1010
PowerVM HypervisorFW940
PowerVM HypervisorFW950

Remediation/Fixes

Customers with the products below should install FW940.50(940_095), FW950.30(950_092), FW1010.01(1010_69) or newer to remediate this concern.
Power 9

1) IBM Power System S922 (9009-22A, 9009-22G)

2) IBM Power System H922 (9223-22H, 9223-22S)

3) IBM Power System S914 (9009-41A, 9009-41G)

4) IBM Power System S924 (9009-42A, 9009-42G)

5) IBM Power System H924 (9223-42H, 9223-42S)

6) IBM Power System E950 (9040-MR9)

7) IBM Power System E980 (9080-M98, 9080-M9S)

Power 10

1) IBM Power System E1080 (9080-HEX)

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

03 Dec 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Document Information

Modified date:
09 December 2021

UID

ibm16525014

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