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CVE-2010-4238

19
FAUCET Score

CVE-2010-4238 describes a denial-of-service vulnerability in Xen 3.1.2, specifically when used with the Linux kernel 2.6.18 on Red Hat Enterprise Linux 5. A guest OS user can trigger a host OS panic by attempting to access a virtual CD-ROM device via the blkback driver. This vulnerability has a CVSS score of 5.5, indicating a medium severity, with an adjacent network attack vector, low attack complexity, and high impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.2CPE matchmatch criteria
cpe:2.3:a:citrix:xen:3.1.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.5MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
5.1
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0097 is in the 87th percentile among its peer group of 314 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-238.el5
View patch

Vendor Advisories (1)

redhatCVE-2010-4238Moderate

kernel: Xen Dom0 crash with Windows 2008 R2 64bit DomU + GPLPV

Sep 20, 2010

References

bugs.centos.org / bug_view_advanced_page.php
Exploit
bugzilla.redhat.com / show_bug.cgi
Exploit
secunia.com / advisories/42884
secunia.com / advisories/46397
exchange.xforce.ibmcloud.com / vulnerabilities/64698
redhat.com / support/errata/RHSA-2011-0017.html
securityfocus.com / archive/1/520102/100/0/threaded
securityfocus.com / bid/45795
vmware.com / security/advisories/VMSA-2011-0012.html