CVE-2013-1920 (GCVE-0-2013-1920)
Vulnerability from cvelistv5 – Published: 2013-04-12 22:00 – Updated: 2024-08-06 15:20
VLAI
EPSS
VEX
Summary
Xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running "under memory pressure" and the Xen Security Module (XSM) is enabled, uses the wrong ordering of operations when extending the per-domain event channel tracking table, which causes a use-after-free and allows local guest kernels to inject arbitrary events and gain privileges via unspecified vectors.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
13 references
Date Public
2013-04-04 00:00
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],
"negate": false,
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]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running \"under memory pressure\" and the Xen Security Module (XSM) is enabled, uses the wrong ordering of operations when extending the per-domain event channel tracking table, which causes a use-after-free and allows local guest kernels to inject arbitrary events and gain privileges via unspecified vectors."
},
{
"lang": "es",
"value": "Xen v4.2.x, v4.1.x, y anteriores, cuando el hypervisor se est\u00e1 ejecutando \"bajo presi\u00f3n de memoria\" y el M\u00f3dulo de Seguridad Xen (XSM) est\u00e1 activado, usa un orden de operaciones incorrecto cuando se extiende la tabla de seguimiento del canal de eventos por dominio, lo que ocasiona una vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n y permite inyectar eventos de su elecci\u00f3n a los n\u00facleos locales de clientes y obtener privilegios a trav\u00e9s de vectores no especificados."
}
],
"id": "CVE-2013-1920",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.4,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2013-04-12T22:55:01.210",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html"
},
{
"source": "secalert@redhat.com",
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},
{
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{
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},
{
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],
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},
{
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},
{
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},
{
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},
{
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},
{
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},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/58880"
},
{
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"url": "http://www.securitytracker.com/id/1028388"
},
{
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},
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"weaknesses": [
{
"description": [
{
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"value": "CWE-264"
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},
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2025-11-21T12:43:20+00:00",
"cve": "CVE-2013-1920",
"id": "CVE-2013-1920",
"initial_release_date": "2013-04-04T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: xen: potential use of freed memory in event channel operations",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-1920.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-08-27T02:04:49Z",
"cve": "CVE-2013-1920",
"id": "CVE-2013-1920",
"initial_release_date": "2023-02-15T05:39:44Z",
"product_status:known_not_affected": "1",
"product_status:recommended": "72",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2013-1920",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2013-1920.json",
"version": "8"
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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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.