CVE-2010-4238

What it is

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.

At a glance

Exploitability

Can be exploited from the same network segment with a login. High risk of service disruption.

Exploit odds

0.9% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2011-01-22 22:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:24 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.9% in the next 30 days (EPSS).
• Severity: 5.5 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2011-01-22 22:00 UTC

Last modified

2026-06-16 23:24 UTC

Exploit probability

0.9% · EPSS, next 30 days

Weakness

CWE-264

Record status

Modified

Affected

• Citrix Xen 3.1.2

Attack profile CVSS 2.0 · 5.5

Attack vector

Adjacent network

Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2010-4238.md and follow it. Check whether this project is affected by CVE-2010-4238. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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