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.
DESCRIPTION: IBM Spectrum Scale could allow a local attacker to cause a denial of service by sending a large number of RPC requests to the mmfsd daemon which would cause the service to crash.
CVSS Base score: 4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181991 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
IBM Spectrum Scale V18.104.22.168 through V5.0.5
IBM Spectrum Scale V22.214.171.124 through V126.96.36.199
For IBM Spectrum Scale V188.8.131.52 through 5.0.5, apply V184.108.40.206 available from FixCentral at:
For IBM Spectrum Scale V220.127.116.11 thru V18.104.22.168, apply V22.214.171.124 available from FixCentral at:
Workarounds and Mitigations
Get Notified about Future Security Bulletins
16 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.
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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19 October 2020