CVE-2016-8576 (GCVE-0-2016-8576)
Vulnerability from cvelistv5 – Published: 2016-11-04 21:00 – Updated: 2024-08-06 02:27
VLAI
EPSS
VEX
Summary
The xhci_ring_fetch function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit the number of link Transfer Request Blocks (TRB) to process.
Severity
6.0 (Medium)
CWE
- n/a
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://lists.gnu.org/archive/html/qemu-devel/201… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
| https://security.gentoo.org/glsa/201611-11 | vendor-advisoryx_refsource_GENTOO |
| http://www.openwall.com/lists/oss-security/2016/10/10/6 | mailing-listx_refsource_MLIST |
| 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://www.openwall.com/lists/oss-security/2016/1… | mailing-listx_refsource_MLIST |
| https://access.redhat.com/errata/RHSA-2017:2408 | vendor-advisoryx_refsource_REDHAT |
| http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=05… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/93469 | vdb-entryx_refsource_BID |
Date Public
2016-10-07 00:00
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"value": "La funci\u00f3n xhci_ring_fetch en hw/usb/hcd-xhci.c en QEMU (tambi\u00e9n conocido como Quick Emulator) permite a administradores locales del SO invitado provocar una denegaci\u00f3n de servicio (bucle infinito y ca\u00edda del proceso QEMU) aprovechando el fallo para limitar el n\u00famero de enlaces Transfer Request Blocks (TRB) al proceso."
}
],
"id": "CVE-2016-8576",
"lastModified": "2026-05-06T22:30:45.220",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 2.1,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.0,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.5,
"impactScore": 4.0,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2016-11-04T21:59:00.177",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=05f43d44e4bc26611ce25fd7d726e483f73363ce"
},
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Patch",
"Third Party Advisory"
],
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},
{
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"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2016/10/10/6"
},
{
"source": "secalert@redhat.com",
"tags": [
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"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/93469"
},
{
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"tags": [
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],
"url": "https://access.redhat.com/errata/RHSA-2017:2392"
},
{
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],
"url": "https://access.redhat.com/errata/RHSA-2017:2408"
},
{
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"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html"
},
{
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"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01265.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/201611-11"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=05f43d44e4bc26611ce25fd7d726e483f73363ce"
},
{
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"Third Party Advisory"
],
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"Patch",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2016/10/10/12"
},
{
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"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2016/10/10/6"
},
{
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"tags": [
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"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/93469"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://access.redhat.com/errata/RHSA-2017:2392"
},
{
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"tags": [
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],
"url": "https://access.redhat.com/errata/RHSA-2017:2408"
},
{
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"tags": [
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"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01265.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/201611-11"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-770"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-06-28T06:49:27+00:00",
"cve": "CVE-2016-8576",
"id": "CVE-2016-8576",
"initial_release_date": "2016-10-06T00:00:00+00:00",
"product_status:fixed": "47",
"product_status:known_affected": "10",
"product_status:known_not_affected": "8",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Qemu: usb: xHCI: infinite loop vulnerability in xhci_ring_fetch",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-8576.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-21T01:51:19Z",
"cve": "CVE-2016-8576",
"id": "CVE-2016-8576",
"initial_release_date": "2023-02-15T04:57:05Z",
"product_status:known_affected": "421",
"product_status:known_not_affected": "137",
"product_status:recommended": "1937",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2016-8576",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-8576.json",
"version": "37"
}
}
}
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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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