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nvd-json-data-feeds/CVE-2021/CVE-2021-36xx/CVE-2021-3640.json
cad-safe-bot 5fc0b01395 Auto-Update: 2024-12-15T03:00:19.262894+00:00
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{
"id": "CVE-2021-3640",
"sourceIdentifier": "secalert@redhat.com",
"published": "2022-03-03T23:15:08.197",
"lastModified": "2024-11-21T06:22:03.073",
"vulnStatus": "Modified",
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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."
},
{
"lang": "es",
"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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