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nvd-json-data-feeds/CVE-2022/CVE-2022-486xx/CVE-2022-48636.json
cad-safe-bot 1b7e594404 Auto-Update: 2025-03-21T19:00:20.435305+00:00
2025-03-21 19:03:52 +00:00

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{
"id": "CVE-2022-48636",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-04-28T13:15:06.710",
"lastModified": "2025-03-21T18:26:19.630",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroup\n\nFix Oops in dasd_alias_get_start_dev() function caused by the pavgroup\npointer being NULL.\n\nThe pavgroup pointer is checked on the entrance of the function but\nwithout the lcu->lock being held. Therefore there is a race window\nbetween dasd_alias_get_start_dev() and _lcu_update() which sets\npavgroup to NULL with the lcu->lock held.\n\nFix by checking the pavgroup pointer with lcu->lock held."
},
{
"lang": "es",
"value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: s390/dasd: corrige Ups en dasd_alias_get_start_dev debido a la falta de pavgroup. Corrige Ups en la funci\u00f3n dasd_alias_get_start_dev() causada porque el puntero pavgroup es NULL. El puntero pavgroup se verifica en la entrada de la funci\u00f3n pero sin que se mantenga presionado el bloqueo lcu->. Por lo tanto, existe una ventana de ejecuci\u00f3n entre dasd_alias_get_start_dev() y _lcu_update() que establece pavgroup en NULL con el bloqueo lcu->retenido. Para solucionarlo, compruebe el puntero de pavgroup con lcu->lock retenido."
}
],
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"description": [
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"lang": "en",
"value": "CWE-476"
}
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