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nvd-json-data-feeds/CVE-2022/CVE-2022-490xx/CVE-2022-49031.json
cad-safe-bot e6cbafdc40 Auto-Update: 2024-12-08T03:00:18.988682+00:00
2024-12-08 03:06:42 +00:00

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{
"id": "CVE-2022-49031",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-10-21T20:15:13.807",
"lastModified": "2024-10-24T16:03:12.907",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: health: afe4403: Fix oob read in afe4403_read_raw\n\nKASAN report out-of-bounds read as follows:\n\nBUG: KASAN: global-out-of-bounds in afe4403_read_raw+0x42e/0x4c0\nRead of size 4 at addr ffffffffc02ac638 by task cat/279\n\nCall Trace:\n afe4403_read_raw\n iio_read_channel_info\n dev_attr_show\n\nThe buggy address belongs to the variable:\n afe4403_channel_leds+0x18/0xffffffffffffe9e0\n\nThis issue can be reproduced by singe command:\n\n $ cat /sys/bus/spi/devices/spi0.0/iio\\:device0/in_intensity6_raw\n\nThe array size of afe4403_channel_leds is less than channels, so access\nwith chan->address cause OOB read in afe4403_read_raw. Fix it by moving\naccess before use it."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iio: health: afe4403: Se corrige la lectura oob en el informe de KASAN afe4403_read_raw que indica que la lectura est\u00e1 fuera de los l\u00edmites de la siguiente manera: ERROR: KASAN: global-out-of-bounds en afe4403_read_raw+0x42e/0x4c0 Lectura de tama\u00f1o 4 en la direcci\u00f3n ffffffffc02ac638 por la tarea cat/279 Seguimiento de llamadas: afe4403_read_raw iio_read_channel_info dev_attr_show La direcci\u00f3n con errores pertenece a la variable: afe4403_channel_leds+0x18/0xffffffffffffe9e0 Este problema se puede reproducir con un solo comando: $ cat /sys/bus/spi/devices/spi0.0/iio\\:device0/in_intensity6_raw El tama\u00f1o de la matriz de afe4403_channel_leds es menor que channels, por lo que el acceso con chan->address provoca una lectura OOB en afe4403_read_raw. Solucione el problema moviendo el acceso antes de usarlo."
}
],
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"cvssMetricV31": [
{
"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:H/I:N/A:H",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.2
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-125"
}
]
}
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