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medium 5.5

CVE-2010-4238 json

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 c…

published 15y ago modified 4mo ago also EUVD-2010-4211

cvss
5.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

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.

Patch / fix

  • kernel RHEL 5 2.6.18-238.el5
  • kernel-PAE RHEL 5 2.6.18-238.el5
  • kernel-xen RHEL 5 2.6.18-238.el5
  • kernel-kdump RHEL 5 2.6.18-238.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-238.el5

red hat advisories RHSA-2011:0017

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-4238 updated cvss 5.5

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

  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-238.el5, kernel-PAE 2.6.18-238.el5, kernel-xen 2.6.18-238.el5, kernel-kdump 2.6.18-238.el5, kernel-debuginfo-common 2.6.18-238.el5 Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-238.el5, kernel-PAE 2.6.18-238.el5, kernel-xen 2.6.18-238.el5, kernel-kdump 2.6.18-238.el5, kernel-debuginfo-common 2.6.18-238.el5
    fixed: vendor fix RHSA-2011:0017

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugs.centos.org http://bugs.centos.org/bug_view_advanced_page.php?bug_id=4517 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=655623 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.5 AV:A/AC:L/Au:S/C:N/I:N/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.