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{
"id" : "CVE-2024-49855" ,
"sourceIdentifier" : "416baaa9-dc9f-4396-8d5f-8c081fb06d67" ,
"published" : "2024-10-21T13:15:06.270" ,
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"lastModified" : "2024-10-22T16:12:27.030" ,
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"vulnStatus" : "Analyzed" ,
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"lang" : "en" ,
"value" : "In the Linux kernel, the following vulnerability has been resolved:\n\nnbd: fix race between timeout and normal completion\n\nIf request timetout is handled by nbd_requeue_cmd(), normal completion\nhas to be stopped for avoiding to complete this requeued request, other\nuse-after-free can be triggered.\n\nFix the race by clearing NBD_CMD_INFLIGHT in nbd_requeue_cmd(), meantime\nmake sure that cmd->lock is grabbed for clearing the flag and the\nrequeue."
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} ,
{
"lang" : "es" ,
"value" : "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nbd: se corrige la ejecuci\u00f3n entre el tiempo de espera y la finalizaci\u00f3n normal. Si el tiempo de espera de la solicitud lo maneja nbd_requeue_cmd(), la finalizaci\u00f3n normal debe detenerse para evitar completar esta solicitud en cola; se pueden activar otros use after free. Corrija la ejecuci\u00f3n borrando NBD_CMD_INFLIGHT en nbd_requeue_cmd(); mientras tanto, aseg\u00farese de que cmd->lock se captura para borrar la bandera y la puesta en cola."
}
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"vectorString" : "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H" ,
"attackVector" : "LOCAL" ,
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"attackComplexity" : "HIGH" ,
"privilegesRequired" : "LOW" ,
"userInteraction" : "NONE" ,
"scope" : "UNCHANGED" ,
"confidentialityImpact" : "HIGH" ,
"integrityImpact" : "HIGH" ,
"availabilityImpact" : "HIGH" ,
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"baseScore" : 7.0 ,
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"baseSeverity" : "HIGH"
} ,
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"exploitabilityScore" : 1.0 ,
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"impactScore" : 5.9
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