Vulnerability Report

CVE-2010-4238

Title: Citrix Xen Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2010-4238.

CWE Category CWE-264

Published Date Jan 22, 2011

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 5.5 CVSS v2.0

Exploit Probability (EPSS)

0.89%

Vulnerability Summary

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 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.

Impacted Vendors

xensource_inc 1

citrix 1

Reference Links

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

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:A/AC:L/Au:S/C:N/I:N/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2010-4238 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

January 22, 2011 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:A/AC:L/Au:S/C:N/I:N/A:C

Affected Stack

No specific products linked.