Security Bulletin: This Power Hardware Management Console (HMC) update is being released to address Common Vulnerabilities and Exposures issue numbers CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, and CVE-2019-11091 (known as MDS).

Security Bulletin

Summary

In response to recently reported security vulnerabilities, this Power HMC Security Bulletin is released to address Common Vulnerabilities and Exposures issue numbers CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, and CVE-2019-11091.

Vulnerability Details

CVEID: CVE-2018-12126

CVEID: CVE-2018-12127

CVEID: CVE-2018-12130

CVEID: CVE-2019-11091

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.

No mitigations are required for the ppc and x86 HMC hardware appliances, and vHMC on ppc.

For vHMC on x86, hypervisor and firmware updates may be required; customers should consult their hypervisor and x86 system vendors for information

Products Addressed and Versions

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

Initial version: 22 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.

Document Location

Worldwide

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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-2018-12126, CVE-2018-12127, CVE-2018-12130, and CVE-2019-11091 (known as MDS).