Security Bulletin
Summary
A security vulnerability has been identified in all levels of IBM Spectrum Scale that could allow a local attacker to cause a denial of service. A fix for this vulnerability is available.
Vulnerability Details
CVEID: CVE-2020-4756
DESCRIPTION: IBM Spectrum Scale could allow a local attacker to invoke a subset of ioctls on the device with invalid arguments that could crash the kernel and cause a denial of service.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188599 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
IBM Spectrum Scale V5.0.0.0 through V5.0.5.2
IBM Spectrum Scale V4.2.0.0 through V4.2.3.23
Remediation/Fixes
For IBM Spectrum Scale V5.0.0.0 through 5.0.5.2, apply V5.0.5.3 available from FixCentral at:
For IBM Spectrum Scale V4.2.0.0 thru V4.2.3.23, apply V4.2.3.24 available from FixCentral at:
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Acknowledgement
Change History
12 Oct 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.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
04 November 2020
UID
ibm16349469