fkie_cve-2010-0309
Vulnerability from fkie_nvd
Published
2010-02-12 19:30
Modified
2025-04-11 00:51
Severity ?
Summary
The pit_ioport_read function in the Programmable Interval Timer (PIT) emulation in i8254.c in KVM 83 does not properly use the pit_state data structure, which allows guest OS users to cause a denial of service (host OS crash or hang) by attempting to read the /dev/port file.
References
{
"configurations": [
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"criteria": "cpe:2.3:a:linux:kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B8C63AEA-5ECC-4B32-9C77-9F7FFD1AE9E7",
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"cveTags": [],
"descriptions": [
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"lang": "en",
"value": "The pit_ioport_read function in the Programmable Interval Timer (PIT) emulation in i8254.c in KVM 83 does not properly use the pit_state data structure, which allows guest OS users to cause a denial of service (host OS crash or hang) by attempting to read the /dev/port file."
},
{
"lang": "es",
"value": "La funci\u00f3n pit_ioport_read en la emulaci\u00f3n Programmable Interval Timer (PIT) en i8254.c en KVM 83, no usa adecuadamente la estructura pit_state, lo que permite a invitados del sistema operativo, provocar una denegaci\u00f3n de servicio (ca\u00edda o cuelgue del sistema) al intentar leer el archivo /dev/port."
}
],
"id": "CVE-2010-0309",
"lastModified": "2025-04-11T00:51:21.963",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "COMPLETE",
"baseScore": 6.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
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"source": "nvd@nist.gov",
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"published": "2010-02-12T19:30:00.627",
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"url": "http://www.debian.org/security/2010/dsa-1996"
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"vulnStatus": "Deferred",
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"value": "CWE-16"
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],
"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.
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- 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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