CVE-2016-7466 (GCVE-0-2016-7466)
Vulnerability from cvelistv5 – Published: 2016-12-10 00:00 – Updated: 2024-08-06 01:57
VLAI
EPSS
VEX
Summary
Memory leak in the usb_xhci_exit function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator), when the xhci uses msix, allows local guest OS administrators to cause a denial of service (memory consumption and possibly QEMU process crash) by repeatedly unplugging a USB device.
Severity
6.0 (Medium)
CWE
- n/a
Assigner
References
9 references
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/09/19/8 | mailing-listx_refsource_MLIST |
| http://www.openwall.com/lists/oss-security/2016/09/20/3 | mailing-listx_refsource_MLIST |
| https://security.gentoo.org/glsa/201611-11 | vendor-advisoryx_refsource_GENTOO |
| http://www.securityfocus.com/bid/93029 | vdb-entryx_refsource_BID |
| https://access.redhat.com/errata/RHSA-2017:2392 | vendor-advisoryx_refsource_REDHAT |
| http://lists.opensuse.org/opensuse-updates/2016-1… | vendor-advisoryx_refsource_SUSE |
| http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b5… | x_refsource_CONFIRM |
| https://lists.gnu.org/archive/html/qemu-devel/201… | mailing-listx_refsource_MLIST |
| https://access.redhat.com/errata/RHSA-2017:2408 | vendor-advisoryx_refsource_REDHAT |
Date Public
2016-09-13 00:00
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Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:2392\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2017:2408\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201611-11\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-06-28T11:04:59+00:00",
"cve": "CVE-2016-7466",
"id": "CVE-2016-7466",
"initial_release_date": "2016-09-13T00:00:00+00:00",
"product_status:fixed": "47",
"product_status:known_affected": "1",
"product_status:known_not_affected": "22",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Qemu: usb: xhci memory leakage during device unplug",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-7466.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "low",
"current_release_date": "2026-07-17T14:22:37Z",
"cve": "CVE-2016-7466",
"id": "CVE-2016-7466",
"initial_release_date": "2023-02-15T04:58:16Z",
"product_status:known_affected": "407",
"product_status:known_not_affected": "125",
"product_status:recommended": "1740",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2016-7466",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-7466.json",
"version": "36"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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