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https://github.com/fkie-cad/nvd-json-data-feeds.git
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60 lines
2.8 KiB
JSON
60 lines
2.8 KiB
JSON
{
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"id": "CVE-2021-47498",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-05-22T09:15:11.673",
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"lastModified": "2024-11-21T06:36:20.400",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm rq: don't queue request to blk-mq during DM suspend\n\nDM uses blk-mq's quiesce/unquiesce to stop/start device mapper queue.\n\nBut blk-mq's unquiesce may come from outside events, such as elevator\nswitch, updating nr_requests or others, and request may come during\nsuspend, so simply ask for blk-mq to requeue it.\n\nFixes one kernel panic issue when running updating nr_requests and\ndm-mpath suspend/resume stress test."
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},
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{
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"lang": "es",
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: dm rq: no poner en cola la solicitud a blk-mq durante la suspensi\u00f3n de DM. DM utiliza la funci\u00f3n de reposo/inquiesce de blk-mq para detener/iniciar la cola del asignador de dispositivos. Pero la inquietud de blk-mq puede provenir de eventos externos, como el cambio de ascensor, la actualizaci\u00f3n de nr_requests u otros, y la solicitud puede ocurrir durante la suspensi\u00f3n, as\u00ed que simplemente solicite que blk-mq la vuelva a poner en cola. Soluciona un problema de p\u00e1nico del kernel al ejecutar la actualizaci\u00f3n de nr_requests y la prueba de esfuerzo de suspensi\u00f3n/reanudaci\u00f3n de dm-mpath."
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"type": "Secondary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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}
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]
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},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/8ca9745efe3528feb06ca4e117188038eea2d351",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/b4459b11e84092658fa195a2587aff3b9637f0e7",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/8ca9745efe3528feb06ca4e117188038eea2d351",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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},
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{
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"url": "https://git.kernel.org/stable/c/b4459b11e84092658fa195a2587aff3b9637f0e7",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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}
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]
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} |