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CVE-2010-4238

5.5 · MEDIUM

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…

Published Jan 22, 2011citrixCWE-264EPSS 0.89%

Overview

CVE-2010-4238 is a medium-severity vulnerability affecting citrix xen. It was published on January 22, 2011 and has a CVSS 2.0 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from citrix. Update xen to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refbugs.centos.org/bug_view_advanced_page.php?bug_id=4517Refsecunia.com/advisories/42884Refsecunia.com/advisories/46397Refwww.redhat.com/support/errata/RHSA-2011-0017.htmlRefwww.securityfocus.com/archive/1/520102/100/0/threadedRefwww.securityfocus.com/bid/45795Refwww.vmware.com/security/advisories/VMSA-2011-0012.htmlRefbugzilla.redhat.com/show_bug.cgi?id=655623Refexchange.xforce.ibmcloud.com/vulnerabilities/64698Refbugs.centos.org/bug_view_advanced_page.php?bug_id=4517

How CyberStrike helps

Frequently asked questions

What is CVE-2010-4238?

CVE-2010-4238 is a medium-severity vulnerability affecting citrix xen. It was published on January 22, 2011 and has a CVSS 2.0 base score of 5.5 (MEDIUM).

How severe is CVE-2010-4238?

This vulnerability has a CVSS 2.0 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2010-4238?

Check the references section for vendor advisories and patches from citrix. Update xen to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2010-4238?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-4238 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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