Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libvirt | 0.9.12-1 | — |
| Debian 13 | libvirt | 0.9.12-1 | — |
| Debian 12 | libvirt | 0.9.12-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | libvirt +4 | 0.9.10-21.el6 | RHSA-2012:0748 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Virtualization 5 | libvirt +2 | 0.8.2-29.el5 | RHSA-2013:0127 |
| Red Hat Gluster Storage 3 | libvirt-lock-sanlock | 0.9.10-21.el6 | RHSA-2012:0748 |
Advisories 2
- RHSA-2012:0748 Red Hat Security Advisory: libvirt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2013:0127 Red Hat Security Advisory: libvirt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- [oss-security] 20120611 Re: CVE request -- libvirt: address bus= device= when identicle vendor ID/product IDs usb devices attached are ignored mailing-list
- RHSA-2013:0127 vendor-advisory
- [libvirt] 20120428 [PATCH 0/3] usb devices with same vendor, productID hotplug support mailing-list
- RHSA-2012:0748 vendor-advisory
- [oss-security] 20120611 CVE request -- libvirt: address bus= device= when identicle vendor ID/product IDs usb devices attached are ignored mailing-list