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Security Bulletin: Vulnerabilities in util-linux affect Power Hardware Management Console (‪CVE-2016-5011‬‬)

Security Bulletin


util-linux is used by Power Hardware Management Console (HMC). HMC has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2016-5011
Util-linux is vulnerable to a denial of service, caused by an error when parsing Master Boot Record (MBR) record. By connecting a device with a specially-crafted Master Boot Record (MBR) record, a local attacker could exploit this vulnerability to cause the system to become unresponsive.
CVSS Base Score: 4.6
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Power HMC V8.8.6.0


The following fixes are available on IBM Fix Central at:

Power HMC

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Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

31 January 2017: Initial publish

*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.


According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Cross reference information
Segment Product Component Platform Version Edition
Operating System Server Firmware- HMC and SDMC

Document information

More support for: HMC Firmware

Software version: Version Independent

Operating system(s): Linux

Software edition: Enterprise

Reference #: N1021801

Modified date: 21 December 2017