fkie_cve-2015-5166
Vulnerability from fkie_nvd
Published
2015-08-12 14:59
Modified
2025-04-12 10:46
Severity ?
Summary
Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| fedoraproject | fedora | 21 | |
| fedoraproject | fedora | 22 | |
| xen | xen | * | |
| xen | xen | 4.5.1 |
{
"configurations": [
{
"nodes": [
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"cpeMatch": [
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"criteria": "cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*",
"matchCriteriaId": "56BDB5A0-0839-4A20-A003-B8CD56F48171",
"vulnerable": true
},
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"matchCriteriaId": "253C303A-E577-4488-93E6-68A8DD942C38",
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{
"nodes": [
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"versionEndIncluding": "4.5.0",
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice."
},
{
"lang": "es",
"value": "Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n en la memoria en QEMU en Xen 4.5.x y versiones anteriores, no desconecta completamente los dispositivos de bloque emulados, lo que permite a usuarios invitados HVM locales obtener privilegios desconectando un dispositivo de bloque dos veces."
}
],
"id": "CVE-2015-5166",
"lastModified": "2025-04-12T10:46:40.837",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2015-08-12T14:59:25.247",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/76152"
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{
"source": "secalert@redhat.com",
"url": "http://www.securitytracker.com/id/1033175"
},
{
"source": "secalert@redhat.com",
"tags": [
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"url": "http://xenbits.xen.org/xsa/advisory-139.html"
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"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html"
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/76152"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id/1033175"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://xenbits.xen.org/xsa/advisory-139.html"
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],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-264"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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