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CVE-2012-2693

17
FAUCET Score

CVE-2012-2693 describes a vulnerability in libvirt, potentially before version 0.9.12, where USB devices are improperly assigned to virtual machines when multiple devices share the same vendor and product ID, affecting Red Hat libvirt. This could lead to the wrong device being associated with a guest, allowing local users to access unintended USB devices. The vulnerability has a CVSS score of 3.7 (Low severity), indicating a local attack vector with high attack complexity and potential for partial confidentiality, integrity, and availability impact. There is no evidence of active exploitation, and no public exploit code or significant community discussion has been identified.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.9.11CPE matchmatch criteria
cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*
0.0.1CPE matchmatch criteria
cpe:2.3:a:redhat:libvirt:0.0.1:*:*:*:*:*:*:*
0.0.2CPE matchmatch criteria
cpe:2.3:a:redhat:libvirt:0.0.2:*:*:*:*:*:*:*
0.0.3CPE matchmatch criteria
cpe:2.3:a:redhat:libvirt:0.0.3:*:*:*:*:*:*:*
0.0.4CPE matchmatch criteria
cpe:2.3:a:redhat:libvirt:0.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.7LOW

AV:L/AC:H/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 38th percentile among its peer group of 747 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libvirt-0:0.8.2-29.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libvirt-0:0.9.10-21.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Storage 3 for RHEL 6Fixed in: libvirt-0:0.9.10-21.el6
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libvirt

Vendor Advisories (1)

redhatCVE-2012-2693Low

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

Apr 28, 2012

References

rhn.redhat.com / errata/RHSA-2012-0748.html
rhn.redhat.com / errata/RHSA-2013-0127.html
redhat.com / archives/libvir-list/2012-April/msg01494.html
Patch
openwall.com / lists/oss-security/2012/06/11/2
openwall.com / lists/oss-security/2012/06/11/3