2024-07-03 02:03:28 +00:00

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{
"id": "CVE-2021-47348",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-21T15:15:21.350",
"lastModified": "2024-07-03T01:37:42.580",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Avoid HDCP over-read and corruption\n\nInstead of reading the desired 5 bytes of the actual target field,\nthe code was reading 8. This could result in a corrupted value if the\ntrailing 3 bytes were non-zero, so instead use an appropriately sized\nand zero-initialized bounce buffer, and read only 5 bytes before casting\nto u64."
},
{
"lang": "es",
"value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amd/display: evita la sobrelectura y la corrupci\u00f3n de HDCP. En lugar de leer los 5 bytes deseados del campo de destino real, el c\u00f3digo le\u00eda 8. Esto podr\u00eda resultar en un archivo da\u00f1ado. valor si los 3 bytes finales fueran distintos de cero, por lo tanto, utilice un b\u00fafer de rebote de tama\u00f1o adecuado e inicializado en cero, y lea solo 5 bytes antes de convertir a u64."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 9.1,
"baseSeverity": "CRITICAL"
},
"exploitabilityScore": 3.9,
"impactScore": 5.2
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-119"
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/06888d571b513cbfc0b41949948def6cb81021b2",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/3b2b93a485fb7a970bc8b5daef16f4cf579d172f",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/44c7c901cb368a9f2493748f213b247b5872639f",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/c5b518f4b98dbb2bc31b6a55e6aaa1e0e2948f2e",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}