Security Bulletin
Summary
A specific sequence of VM management operations from the management console (HMC, Novalink, or PowerVC) can lead to a violation of the isolation between peer VMs.
Vulnerability Details
CVEID: CVE-2021-38918
DESCRIPTION: IBM PowerVM Hypervisor through a specific sequence of VM management operations could lead to a violation of the isolation between peer VMs.
CVSS Base score: 8.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/210019 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N)
Affected Products and Versions
Affected Product(s) | Version(s) |
PowerVM Hypervisor | FW860 |
PowerVM Hypervisor | FW1010 |
PowerVM Hypervisor | FW940 |
PowerVM Hypervisor | FW950 |
Remediation/Fixes
Power 8
1) IBM Power System S812 (8284-21A)
2) IBM Power System S822 (8284-22A)
3) IBM Power System S814 (8286-41A)
4) IBM Power System S824 (8286-42A)
5) IBM Power System E850 (8408-E8E)
6) IBM Power System E850C (8408-44E)
7) IBM Power System E870 (9119-MME)
8) IBM Power System E880 (9119-MHE)
9) IBM Power System E870C (9080-MME)
10) IBM Power System E880C (9080-MHE)
Power 9
1) IBM Power System S922 (9009-22A, 9009-22G)
2) IBM Power System H922 (9223-22H, 9223-22S)
3) IBM Power System S914 (9009-41A, 9009-41G)
4) IBM Power System S924 (9009-42A, 9009-42G)
5) IBM Power System H924 (9223-42H, 9223-42S)
6) IBM Power System E950 (9040-MR9)
7) IBM Power System E980 (9080-M98, 9080-M9S)
Power 10
1) IBM Power System E1080 (9080-HEX)
Workarounds and Mitigations
None
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References
Acknowledgement
Change History
02 Dec 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:
09 December 2021
UID
ibm16525032