CVE-2010-4238

Severity: medium (CVSS 5.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-01-22 · updated 2026-06-16
Weakness: CWE-264

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.

Affected products

Citrix Xen: 3.1.2 (and their updates)

References

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

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