Security Bulletin: Publicly disclosed vulnerabilities from Kernel affect IBM Netezza Host Management

Summary

Kernel is used by IBM Netezza Host Management. IBM Netezza Host Management has addressed the applicable CVEs

Vulnerability Details

CVEID:CVE-2019-18660
**DESCRIPTION:**Linux Kernel for PowerPC could allow a local authenticated attacker to obtain sensitive information, caused by the failure to activate the mitigation for Spectre-RSB on context switch. By using side channel attacks, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172297 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N)

CVEID:CVE-2019-17666
**DESCRIPTION:**Linux Kernel is vulnerable to a buffer overflow, caused by improper bounds checking by the rtl_p2p_noa_ie function in drivers/net/wireless/realtek/rtlwifi/ps.c. By sending a specially-crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/169487 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID:CVE-2020-10711
**DESCRIPTION:**Linux Kernel is vulnerable to a denial of service, caused by a NULL pointer dereference while receiving CIPSO packet with null category in the SELinux subsystem. By sending a specially-crafted CIPSO packet, a remote attacker could exploit this vulnerability to the system to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181809 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

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

Update to the following IBM Netezza Host Management release :

Product

|

VRMF

|

Remediation/Fix

—|—|—

IBM Netezza Host Management

|

5.4.28.0

|

Fix Central Link

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:

• Red Hat Enterprise Linux (RHEL) Security Patching for IBM PureData System for Analytics appliances

Workarounds and Mitigations

None