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{
"id": "CVE-2024-43833",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-08-17T10:15:09.040",
"lastModified": "2024-08-22T15:42:46.827",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l: async: Fix NULL pointer dereference in adding ancillary links\n\nIn v4l2_async_create_ancillary_links(), ancillary links are created for\nlens and flash sub-devices. These are sub-device to sub-device links and\nif the async notifier is related to a V4L2 device, the source sub-device\nof the ancillary link is NULL, leading to a NULL pointer dereference.\nCheck the notifier's sd field is non-NULL in\nv4l2_async_create_ancillary_links().\n\n[Sakari Ailus: Reword the subject and commit messages slightly.]"
},
{
"lang": "es",
"value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: media: v4l: async: corrige la desreferencia del puntero NULL al agregar enlaces auxiliares En v4l2_async_create_ancillary_links(), se crean enlaces auxiliares para subdispositivos de lentes y flash. Estos son enlaces de subdispositivo a subdispositivo y si el notificador as\u00edncrono est\u00e1 relacionado con un dispositivo V4L2, el subdispositivo de origen del enlace auxiliar es NULL, lo que lleva a una desreferencia del puntero NULL. Verifique que el campo sd del notificador no sea NULL en v4l2_async_create_ancillary_links(). [Sakari Ailus: Reformule el asunto y confirme ligeramente los mensajes.]"
}
],
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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": [
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"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
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