Security Bulletin: A vulnerability in IBM Spectrum Scale packaged in IBM Elastic Storage System 3000 cause denial of service in kernel ( CVE-2020-4411)

Summary

A security vulnerability has been identified in all levels of IBM Elastic Storage System 3000 that could allow a local attacker to cause a denial of service. A fix for this vulnerability is available.

Vulnerability Details

CVEID:CVE-2020-4411
**DESCRIPTION:**The Spectrum Scale 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.3 file system component is affected by a denial of service vulnerability in its kernel module that could allow an attacker to cause a denial of service condition on the affected system. To exploit this vulnerability, a local attacker could invoke a subset of ioctls on the Spectrum Scale device with non-valid arguments. This could allow the attacker to crash the kernel. IBM X-Force ID: 179986.
CVSS Base score: 7.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/179986 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

For IBM Elastic Storage Server V6.0.0 through V6.0.0.2, apply V6.0.1.0 available from FixCentral at:

https://www.ibm.com/support/fixcentral/swg/selectFixes?product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+(ESS)&function=fixid&fixids=ESS_FIRMWARE-6.0.0.1-x86_64-Linux

Workarounds and Mitigations

None