mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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469 lines
13 KiB
JSON
469 lines
13 KiB
JSON
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{
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"id": "CVE-2021-3640",
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"sourceIdentifier": "secalert@redhat.com",
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"published": "2022-03-03T23:15:08.197",
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"lastModified": "2023-02-12T23:41:41.777",
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"vulnStatus": "Modified",
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"descriptions": [
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{
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"lang": "en",
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"value": "A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system."
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},
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{
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"lang": "es",
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"value": "Se encontr\u00f3 un fallo de uso de memoria previamente liberada en la funci\u00f3n sco_sock_sendmsg() del subsistema HCI del kernel de Linux en la forma en que el usuario llama a ioct UFFDIO_REGISTER o de otra manera desencadena una condici\u00f3n de carrera de la llamada sco_conn_del() junto con la llamada sco_sock_sendmsg() con la p\u00e1gina de memoria de fallo controlable esperada. Un usuario local privilegiado podr\u00eda usar este fallo para bloquear el sistema o escalar sus privilegios en el sistema"
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}
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],
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"metrics": {
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "LOCAL",
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"attackComplexity": "HIGH",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseScore": 7.0,
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"baseSeverity": "HIGH"
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},
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"exploitabilityScore": 1.0,
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"impactScore": 5.9
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}
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],
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"cvssMetricV2": [
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "2.0",
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"vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
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"accessVector": "LOCAL",
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"accessComplexity": "MEDIUM",
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"authentication": "NONE",
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"confidentialityImpact": "COMPLETE",
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"integrityImpact": "COMPLETE",
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"availabilityImpact": "COMPLETE",
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"baseScore": 6.9
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 3.4,
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"impactScore": 10.0,
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"acInsufInfo": false,
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"value": "CWE-362"
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"lang": "en",
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"value": "CWE-416"
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