fkie_cve-2016-9846
Vulnerability from fkie_nvd
Published
2016-12-29 22:59
Modified
2025-04-12 10:46
Severity ?
Summary
QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.
References
Impacted products
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F83E2010-6463-407A-928D-DB71A705A04C",
"versionEndIncluding": "2.7.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.8.0:rc0:*:*:*:*:*:*",
"matchCriteriaId": "58947AD5-A971-4E22-8D8A-634E2ED5DECD",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.8.0:rc1:*:*:*:*:*:*",
"matchCriteriaId": "62294521-D8AD-43C1-9B53-D75243DC9A5B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:qemu:qemu:2.8.0:rc2:*:*:*:*:*:*",
"matchCriteriaId": "436470C3-919A-40F0-9813-A34CD8F7CF29",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host."
},
{
"lang": "es",
"value": "QEMU (vulnerabilidad tambi\u00e9n conocido como Quick Emulator) construido con el soporte de emulador Virtio GPU Device es vulnerable a un problema de fuga de memoria. Podr\u00eda ocurrir mientras se actualizan los datos de cursor en update_cursor_data_virgl. Un usuario/proceso invitado podr\u00eda utilizar esta falla para filtrar bytes de memoria del host, resultrando en DoS para un host."
}
],
"id": "CVE-2016-9846",
"lastModified": "2025-04-12T10:46:40.837",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.9,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.0,
"impactScore": 4.0,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2016-12-29T22:59:00.573",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2016/12/05/18"
},
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
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"url": "http://www.openwall.com/lists/oss-security/2016/12/05/23"
},
{
"source": "secalert@redhat.com",
"tags": [
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"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/94765"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/201701-49"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
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],
"url": "http://www.openwall.com/lists/oss-security/2016/12/05/18"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "http://www.openwall.com/lists/oss-security/2016/12/05/23"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/94765"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/201701-49"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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