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).

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