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Security Bulletin: IBM® Db2® LUW on AIX and Linux Affected by a Vulnerability in IBM® Spectrum Scale (CVE-2019-4558)

Security Bulletin


Db2 LUW is affected by a vulnerability in IBM® Spectrum Scale Version 5.0.x and 4.2.x that is used by Db2® pureScale™ Feature on AIX and Linux. IBM Spectrum Scale is previously known as General Parallel File System (GPFS).

Vulnerability Details

CVEID:  CVE-2019-4558
DESCRIPTION:  A security vulnerability has been identified in all levels of IBM Spectrum Scale V5.0.0.0 through V5.0.3.2 and IBM Spectrum Scale V4.2.0.0 through V4.2.3.17 that could allow a local attacker to obtain root privilege by injecting parameters into setuid files.
CVSS Base score: 8.1
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

All fix pack levels of IBM Db2 V11.1 and V11.5 editions running on AIX and Linux are affected, and only for those customers who have Db2® pureScale™ Feature installed.

IBM Db2 V10.5 is not affected


The recommended solution is to apply the appropriate fix for this vulnerability.


Customers running any vulnerable fix pack level of an affected Program, V11.1 and 11.5, can contact IBM technical support to obtain the GPFS eFix. Before installing the GPFS eFix, the Db2 level might need to be upgraded to the level that includes the supported GPFS level. Do not attempt to upgrade GPFS by any other means. The table below lists the Db2 releases, the prerequisite that needs to be installed first and the GPFS eFix to request from IBM technical support.
DB2 Release Obtain following GPFS eFix from IBM technical support

11.1 eFix 1

11.5 eFix 35

The GPFS eFix install instructions are available here:

Workarounds and Mitigations


Get Notified about Future Security Bulletins



Change History

09 Jan 2020: Initial Publication

*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.

Document Location


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Document Information

Modified date:
14 January 2020