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](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12126>)_** [**CVEID: CVE-2018-12127**](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12127>) [**CVEID: CVE-2018-12130**](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12130>) [**CVEID: CVE-2019-11091**](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=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 ## Get Notified about Future Security Bulletins Subscribe to [My Notifications](< http://www-01.ibm.com/software/support/einfo.html>) to be notified of important product support alerts like this. ### References [Complete CVSS v3 Guide](<http://www.first.org/cvss/user-guide> "Link resides outside of ibm.com" ) [On-line Calculator v3](<http://www.first.org/cvss/calculator/3.0> "Link resides outside of ibm.com" ) Off ## Related Information [IBM Secure Engineering Web Portal](<http://www.ibm.com/security/secure-engineering/bulletins.html>) [IBM Product Security Incident Response Blog](<http://www.ibm.com/blogs/psirt>) ## 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](<https://www.ibm.com/support/pages/node/6610583#disclaimer>) regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment. ## Document Location Worldwide [{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SGGSNP","label":"Hardware Management Console V9"},"Component":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]

Affected Software

CPE Name Name Version
hardware management console v9 any