CVE-2010-4238: Citrix Xen

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

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.

Affected products

• Citrix Xen: version 3.1.2 only

Published 2011-01-22. Last modified 2026-06-16.