Security Bulletin: This Power Hardware Management Console (HMC) update is being released to address Common Vulnerabilities and Exposures issue numbers CVE-2017-5715, CVE-2017-5753 and CVE-2017-5754 (known as Spectre and Meltdown).

Security Bulletin

Summary

In response to recently reported security vulnerabilities, this Power HMC update is being released to address Common Vulnerabilities and Exposures issue numbers CVE-2017-5715, CVE-2017-5753 and CVE-2017-5754.

Vulnerability Details

CVEID: CVE-2017-5715
CVEID: CVE-2017-5753
CVEID: CVE-2017-5754

Please refer to this link for security bulletin of CVE-2018-3639 and CVE-2018-3640.

Please refer to this link for security bulletin of CVE-2018-12126, CVE-2018-12127, CVE-2018-12130 and CVE-2019-11091 (known as MDS).

The Power HMC updates can be obtained from FixCentral by specifying the Product and fix level as described in the Remediation section below.

Workarounds and Mitigations

The most immediate action clients can take to protect themselves is to prevent execution of unauthorized software on any system that handles sensitive data, including adjacent virtual machines.
Remediation for the Virtual HMC

The following updates are available on IBM Fix Central at: http://www-933.ibm.com/support/fixcentral/

Product	VRMF	APAR	Remediation/Fix
Power Virtual HMC 5765-HMV	V8.8.5.0 SP3	MB04124	MH01746
Power Virtual HMC 5765-HMV	V8.8.6.0 SP2	MB04127	MH01747
Power Virtual HMC 5765-HMV	V8.8.7.1 x86	MB04133	MH01752
Power Virtual HMC 5765-HMA	V8.8.7.1 ppc	MB04134	MH01753

For vHMC on ppc, both the HMC and Power Firmware updates are required to mitigate the vulnerabilities.

For vHMC on x86, mitigation may require additional hypervisor and firmware updates; customers should consult their hypervisor and x86 system vendors for information.
The x86 HMC hardware appliance will not require HMC machine code updates to protect against these CVEs.

Products Addressed and Versions

Power HMC V8.8.5.0

Power HMC V8.8.6.0
Power HMC V8.8.7.0

Remediation for the 7063-CR1 Power-based Hardware Appliance

Customers with the 7063-CR1 Hardware Appliance, install FW MC825.30 (V2.30)

7042 x86 based Hardware Appliances

No remediation is required.

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References

Complete CVSS v2 Guide
On-line Calculator v2

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Change History

Initial version : 29 Jan 2018
Updated workaround and mitigation section: 19 Mar 2018
Updated vulnerability details section: 27 May 2019

*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.

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Tips

Security Bulletin: This Power Hardware Management Console (HMC) update is being released to address Common Vulnerabilities and Exposures issue numbers CVE-2017-5715, CVE-2017-5753 and CVE-2017-5754 (known as Spectre and Meltdown).