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Fencer Intel
low 3.7

CVE-2012-2693 json

libvirt, possibly before 0.9.12, does not properly assign USB devices to virtual machines when multiple devices have the same vendor and pr…

published 2012-06-17 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-2675

cvss
3.7
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

libvirt, possibly before 0.9.12, does not properly assign USB devices to virtual machines when multiple devices have the same vendor and product ID, which might cause the wrong device to be associated with a guest and might allow local users to access unintended USB devices.

Patch / fix

  • libvirt Debian 14, Debian 13, Debian 12 0.9.12-1

debian advisories DEBIAN-CVE-2012-2693

  • libvirt RHEL 5 VIRTUALIZATION 0.8.2-29.el5
  • libvirt-python RHEL 5 VIRTUALIZATION 0.8.2-29.el5
  • libvirt RHEL 6 0.9.10-21.el6
  • libvirt-client RHEL 6 0.9.10-21.el6
  • libvirt-python RHEL 6 0.9.10-21.el6
  • libvirt-lock-sanlock storage 3, RHEL 6 0.9.10-21.el6

red hat advisories RHSA-2013:0127RHSA-2012:0748

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-2012-2693 updated cvss 3.7

libvirt: address bus= device= when identicle vendor ID/product IDs usb devices attached are ignored

  • Red Hat Enterprise Linux 5 libvirt
    affected: no fix available
  • Red Hat Enterprise Linux Desktop (v. 6) libvirt 0.9.10-21.el6, libvirt-client 0.9.10-21.el6, libvirt-python 0.9.10-21.el6
    fixed: vendor fix RHSA-2012:0748
  • Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) libvirt 0.8.2-29.el5, libvirt-python 0.8.2-29.el5
    fixed: vendor fix RHSA-2013:0127
  • Red Hat Enterprise Linux Desktop Optional (v. 6) libvirt 0.9.10-21.el6, libvirt-lock-sanlock 0.9.10-21.el6 Red Hat Enterprise Linux HPC Node (v. 6) libvirt 0.9.10-21.el6, libvirt-client 0.9.10-21.el6, libvirt-python 0.9.10-21.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) libvirt 0.9.10-21.el6, libvirt-lock-sanlock 0.9.10-21.el6 Red Hat Enterprise Linux Server (v. 6) libvirt 0.9.10-21.el6, libvirt-client 0.9.10-21.el6, libvirt-python 0.9.10-21.el6 Red Hat Enterprise Linux Server Optional (v. 6) libvirt 0.9.10-21.el6, libvirt-lock-sanlock 0.9.10-21.el6
    fixed: vendor fix RHSA-2012:0748
  • Red Hat Enterprise Linux Virtualization (v. 5 server) libvirt 0.8.2-29.el5, libvirt-python 0.8.2-29.el5
    fixed: vendor fix RHSA-2013:0127
  • Red Hat Enterprise Linux Workstation (v. 6) libvirt 0.9.10-21.el6, libvirt-client 0.9.10-21.el6, libvirt-python 0.9.10-21.el6 Red Hat Enterprise Linux Workstation Optional (v. 6) libvirt 0.9.10-21.el6, libvirt-lock-sanlock 0.9.10-21.el6 Red Hat Storage Server 3 libvirt-lock-sanlock 0.9.10-21.el6
    fixed: vendor fix RHSA-2012:0748

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

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 3.7 AV:L/AC:H/Au:N/C:P/I:P/A:P

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.