A security vulnerability has been identified in all levels of IBM Spectrum Scale that could allow an attacker to cause a denial of service. A fix for this vulnerability is available.
DESCRIPTION: The Spectrum Scale file system component is affected by a denial of service security vulnerability. An attacker can force the Spectrum Scale mmfsd/mmsdrserv daemons to unexpectedly exit, impacting the functionality of the Spectrum Scale cluster and the availability of file systems managed by Spectrum Scale.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/175067 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
|IBM Spectrum Scale||All|
For IBM Spectrum Scale V22.214.171.124 through V126.96.36.199, apply V188.8.131.52 available from FixCentral at:
If you cannot apply the latest level of service, contact IBM Service for an efix:
- For IBM Spectrum Scale V184.108.40.206 through V220.127.116.11, reference APAR IJ22700
- For IBM Spectrum Scale V18.104.22.168 through V22.214.171.124, reference APAR IJ22689
Workarounds and Mitigations
Get Notified about Future Security Bulletins
The vulnerability was reported to IBM by Honggang Ren of Fortinet's FortiGuard Labs
*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.
06 March 2020