Security Bulletin
Summary
Open Source Kernel is used by IBM Netezza Host Management. IBM Netezza Host Management has addressed the applicable CVE.
Vulnerability Details
CVEID: CVE-2018-3639
DESCRIPTION: Multiple Intel CPUs could allow a local attacker to obtain sensitive information, caused by utilizing sequences of speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known. By conducting targeted cache side-channel attacks, an attacker could exploit this vulnerability to bypass security restrictions and gain read access to privileged memory. Note: This vulnerability is the Speculative Store Bypass (SSB), also known as Variant 4 or "SpectreNG".
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/143569 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)
Affected Products and Versions
IBM Netezza Host Management 5.4.9 - 5.4.21
Remediation/Fixes
To resolve the reported CVEs for Red Hat Enterprise Linux (RHEL) on following platforms :
PureData System for Analytics N3001
PureData System for Analytics N200x
PureData System for Analytics N1001
IBM Netezza High Capacity Appliance C1000
IBM Netezza 1000
IBM Netezza 100
Update to the following IBM Netezza Host Management release :
| Product | VRMF | Remediation / First Fix |
|---|---|---|
| IBM Netezza Host Management | 5.4.22 | Link to Fix Central |
Customers who have enrolled for the IBM Netezza PDA OS Security upgrade program can avail the fixes detailed above through following monthly upgrade patch:
| Product | VRMF | Remediation / First Fix |
|---|---|---|
| IBM Netezza PDA OS Security | 2.0.18.09 | Link to Fix Central |
The Netezza Host Management software contains the latest RHEL updates for the operating systems certified for use on IBM Netezza/PureData System for Analytics appliances. IBM recommends upgrading to the latest Netezza Host Management version to ensure that your hosts have the latest fixes, security changes, and operating system updates. IBM Support can assist you with planning for the Netezza Host Management and operating system upgrades to your appliances.
For more details on IBM Netezza Host Management security patching:
NOTE:
During Spectre & Meltdown variant #4 performance testing we could observe upto 11% degradation for unload and upto 15% degradation for full backup.
Performance impact depends on the workload as well as hardware platform.
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References
Change History
2 November 2018: Original version published
*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.
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Document Information
Modified date:
17 October 2019
UID
ibm10729649