2025-03-18 19:03:51 +00:00

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{
"id": "CVE-2021-47655",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-02-26T06:37:07.267",
"lastModified": "2025-03-18T18:50:02.227",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: venus: vdec: fixed possible memory leak issue\n\nThe venus_helper_alloc_dpb_bufs() implementation allows an early return\non an error path when checking the id from ida_alloc_min() which would\nnot release the earlier buffer allocation.\n\nMove the direct kfree() from the error checking of dma_alloc_attrs() to\nthe common fail path to ensure that allocations are released on all\nerror paths in this function.\n\nAddresses-Coverity: 1494120 (\"Resource leak\")"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: venus: vdec: se ha corregido un posible problema de p\u00e9rdida de memoria La implementaci\u00f3n de venus_helper_alloc_dpb_bufs() permite un retorno temprano a una ruta de error al verificar el id de ida_alloc_min(), lo que no liberar\u00eda la asignaci\u00f3n de b\u00fafer anterior. Mueva el kfree() directo de la verificaci\u00f3n de errores de dma_alloc_attrs() a la ruta de error com\u00fan para garantizar que se liberen las asignaciones en todas las rutas de error en esta funci\u00f3n. Addresses-Coverity: 1494120 (\"Fuga de recursos\")"
}
],
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"source": "nvd@nist.gov",
"type": "Primary",
"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
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-401"
}
]
}
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"references": [
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