Skip to content
Fencer Intel
low 2.1

CVE-2010-2242 json

Red Hat libvirt 0.2.0 through 0.8.2 creates iptables rules with improper mappings of privileged source ports, which allows guest OS users t…

published 16y ago modified 4mo ago also EUVD-2010-2254

cvss
2.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits
0
none known

Summary

Red Hat libvirt 0.2.0 through 0.8.2 creates iptables rules with improper mappings of privileged source ports, which allows guest OS users to bypass intended access restrictions by leveraging IP address and source-port values, as demonstrated by copying and deleting an NFS directory tree.

Patch / fix

  • libvirt Debian 14, Debian 13, Debian 12 0.8.3-1

debian advisories DEBIAN-CVE-2010-2242

  • libvirt RHEL 5 VIRTUALIZATION 0.6.3-33.el5_5.3
  • libvirt-python RHEL 5 VIRTUALIZATION 0.6.3-33.el5_5.3

red hat advisories RHSA-2010:0615

  • libvirt openSUSE Tumbleweed 2.5.0-1.1

opensuse advisories openSUSE-SU-2024:10209-1

Is CVE-2010-2242 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2010-2242 updated cvss 1.5

libvirt: improperly mapped source privileged ports may allow for obtaining privileged resources on the host

  • Red Hat Enterprise Linux 5 libvirt
    affected: no fix available
  • Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) libvirt 0.6.3-33.el5_5.3, libvirt-python 0.6.3-33.el5_5.3 Red Hat Enterprise Linux Virtualization (v. 5 server) libvirt 0.6.3-33.el5_5.3, libvirt-python 0.6.3-33.el5_5.3
    fixed: vendor fix RHSA-2010:0615
  • Red Hat Enterprise Linux 6 libvirt, libvirt-client, libvirt-python, libvirt-lock-sanlock
    not affected: vulnerable code not present

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

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N

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.