CVE-2013-4368 (GCVE-0-2013-4368)
Vulnerability from cvelistv5 – Published: 2013-10-17 23:00 – Updated: 2024-08-06 16:38
VLAI
EPSS
VEX
Summary
The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
9 references
| URL | Tags |
|---|---|
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://security.gentoo.org/glsa/glsa-201407-03.xml | vendor-advisoryx_refsource_GENTOO |
| http://www.openwall.com/lists/oss-security/2013/1… | mailing-listx_refsource_MLIST |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| http://rhn.redhat.com/errata/RHSA-2013-1449.html | vendor-advisoryx_refsource_REDHAT |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://www.debian.org/security/2014/dsa-3006 | vendor-advisoryx_refsource_DEBIAN |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-updates/2013-1… | vendor-advisoryx_refsource_SUSE |
Date Public
2013-10-10 00:00
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},
{
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"matchCriteriaId": "A83F4F7E-53CF-4066-857B-2154D25979D8",
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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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],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register."
},
{
"lang": "es",
"value": "La instrucci\u00f3n de emulaci\u00f3n outs en Xen 3.1.x, 4.2.x, 4.3.x, y anteriores versiones, cuando se usa la anulaci\u00f3n del segmento FS: o GS:, utiliza una variable sin inicializar como segmento base, lo que permite a usuarios locales de 64-bit PV obtener informaci\u00f3n sensible (contenido de la pila de hipervisor) a trav\u00e9s de vectores relacionados de datos obsoletos en un registro del segmento."
}
],
"id": "CVE-2013-4368",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 1.9,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2013-10-17T23:55:04.487",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html"
},
{
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"url": "http://lists.opensuse.org/opensuse-updates/2013-11/msg00009.html"
},
{
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"url": "http://rhn.redhat.com/errata/RHSA-2013-1449.html"
},
{
"source": "secalert@redhat.com",
"url": "http://security.gentoo.org/glsa/glsa-201407-03.xml"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2014/dsa-3006"
},
{
"source": "secalert@redhat.com",
"url": "http://www.openwall.com/lists/oss-security/2013/10/10/10"
},
{
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"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/87799"
},
{
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"url": "http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html"
},
{
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"url": "http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html"
},
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"url": "http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html"
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},
{
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"url": "http://rhn.redhat.com/errata/RHSA-2013-1449.html"
},
{
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"url": "http://security.gentoo.org/glsa/glsa-201407-03.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2014/dsa-3006"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2013/10/10/10"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/87799"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T12:38:12+00:00",
"cve": "CVE-2013-4368",
"id": "CVE-2013-4368",
"initial_release_date": "2013-10-10T00:00:00+00:00",
"product_status:fixed": "122",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "xen: information leak through outs instruction emulation (XSA-67)",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-4368.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-02T09:10:57Z",
"cve": "CVE-2013-4368",
"id": "CVE-2013-4368",
"initial_release_date": "2023-02-15T05:36:09Z",
"product_status:recommended": "102",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2013-4368",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2013-4368.json",
"version": "8"
}
}
}
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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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