Security Bulletin
Summary
In some cases the PowerVM hypervisor can assign duplicate WWPN's to virtual fiber channel adapters in peer VMs after a specific series of service actions are performed
Vulnerability Details
CVEID: CVE-2021-38923
DESCRIPTION: IBM PowerVM Hypervisor could allow a privileged user to gain access to another VM due to assigning duplicate WWPNs.
CVSS Base score: 8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/210162 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H)
Affected Products and Versions
Affected Product(s) | Version(s) |
PowerVM Hypervisor | FW1010 |
Remediation/Fixes
1) IBM Power System E1080 (9080-HEX)
Workarounds and Mitigations
None
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References
Change History
30 Sep 2021: 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:
05 October 2021
UID
ibm16495879