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Fencer Intel
low 2.7

CVE-2010-3699 json

The backend driver in Xen 3.x allows guest OS users to cause a denial of service via a kernel thread leak, which prevents the device and gu…

published 2010-12-08 15 y ago modified 2026-06-16 4 mo ago also EUVD-2010-3683

cvss
2.7
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

The backend driver in Xen 3.x allows guest OS users to cause a denial of service via a kernel thread leak, which prevents the device and guest OS from being shut down or create a zombie domain, causes a hang in zenwatch, or prevents unspecified xm commands from working properly, related to (1) netback, (2) blkback, or (3) blktap.

Patch / fix

  • kernel RHEL 5 2.6.18-194.32.1.el5
  • kernel-PAE RHEL 5 2.6.18-194.32.1.el5
  • kernel-xen RHEL 5 2.6.18-194.32.1.el5
  • kernel-kdump RHEL 5 2.6.18-194.32.1.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-194.32.1.el5

red hat advisories RHSA-2011:0004

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-2010-3699 updated cvss 2.7

kernel: guest->host denial of service from invalid xenbus transitions

  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-194.32.1.el5, kernel-PAE 2.6.18-194.32.1.el5, kernel-xen 2.6.18-194.32.1.el5, kernel-kdump 2.6.18-194.32.1.el5, kernel-debuginfo-common 2.6.18-194.32.1.el5 Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-194.32.1.el5, kernel-PAE 2.6.18-194.32.1.el5, kernel-xen 2.6.18-194.32.1.el5, kernel-kdump 2.6.18-194.32.1.el5, kernel-debuginfo-common 2.6.18-194.32.1.el5
    fixed: vendor fix RHSA-2011:0004

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

0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 2.7 AV:A/AC:L/Au:S/C:N/I:N/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors

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.