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nvd-json-data-feeds/CVE-2021/CVE-2021-474xx/CVE-2021-47499.json
cad-safe-bot a97735b46c Auto-Update: 2025-01-06T21:00:20.391034+00:00
2025-01-06 21:03:44 +00:00

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{
"id": "CVE-2021-47499",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-24T15:15:09.607",
"lastModified": "2025-01-06T20:45:41.497",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: kxcjk-1013: Fix possible memory leak in probe and remove\n\nWhen ACPI type is ACPI_SMO8500, the data->dready_trig will not be set, the\nmemory allocated by iio_triggered_buffer_setup() will not be freed, and cause\nmemory leak as follows:\n\nunreferenced object 0xffff888009551400 (size 512):\n comm \"i2c-SMO8500-125\", pid 911, jiffies 4294911787 (age 83.852s)\n hex dump (first 32 bytes):\n 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 20 e2 e5 c0 ff ff ff ff ........ .......\n backtrace:\n [<0000000041ce75ee>] kmem_cache_alloc_trace+0x16d/0x360\n [<000000000aeb17b0>] iio_kfifo_allocate+0x41/0x130 [kfifo_buf]\n [<000000004b40c1f5>] iio_triggered_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer]\n [<000000004375b15f>] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013]\n\nFix it by remove data->dready_trig condition in probe and remove."
},
{
"lang": "es",
"value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: iio: accel: kxcjk-1013: corrija la posible p\u00e9rdida de memoria en la sonda y elim\u00ednela. Cuando el tipo ACPI es ACPI_SMO8500, data-&gt;dready_trig no se configurar\u00e1, la memoria asignada por iio_triggered_buffer_setup( ) no se liberar\u00e1 y provocar\u00e1 una p\u00e9rdida de memoria de la siguiente manera: objeto sin referencia 0xffff888009551400 (tama\u00f1o 512): comm \"i2c-SMO8500-125\", pid 911, jiffies 4294911787 (edad 83,852 s) volcado hexadecimal (primeros 32 bytes): 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 20 e2 e5 c0 ff ff ff ff .... .... ....... retroceso: [&lt;0000000041ce75ee&gt;] kmem_cache_alloc_trace+0x16d/0x360 [&lt;000000000aeb17b0&gt;] iio_kfifo_allocate+0x41/0x130 [kfifo_buf] [&lt;000000004b40c1f5&gt;] ed_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer] [ &lt;000000004375b15f&gt;] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013] Solucionarlo eliminando la condici\u00f3n data-&gt;dready_trig en la sonda y elimin\u00e1ndola."
}
],
"metrics": {
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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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