CVE-2010-4238

Exp

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.

Published: 2011-01-22 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-4238 is rated Exploit Available (57.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.97%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2010-4238

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2010-4238

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.39% 0.97% +0.58%
2 2025-03-30 0.55% 0.39% -0.16%
3 2025-03-29 — 0.55% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-4238

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.5 2.0 MEDIUM
AV:A/AC:L/Au:S/C:N/I:N/A:C Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 5.1 6.9 [email protected]

Weakness enumeration for CVE-2010-4238

OS Trackers for CVE-2010-4238

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2010-4238
ubuntu low CVE-2010-4238 low priority: Ubuntu including 9 source packages (linux, linux-ec2, …), 61 status rows across 7 suites (dapper, hardy, karmic, lucid, maverick, natty, upstream): DNE 33, not-affected 17, needs-triage 7, ignored 2, needed 1, released 1. https://ubuntu.com/security/CVE-2010-4238

Affected software / configurations for CVE-2010-4238

Vendor Product Version Raw CPE
citrix xen 3.1.2 cpe:2.3:a:citrix:xen:3.1.2:*:*:*:*:*:*:*

References for CVE-2010-4238

cvelogic Threat Intelligence