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nvd-json-data-feeds/CVE-2022/CVE-2022-489xx/CVE-2022-48908.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-2022-48908",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-08-22T02:15:05.247",
"lastModified": "2024-09-12T13:37:52.190",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe()\n\nDuring driver initialization, the pointer of card info, i.e. the\nvariable 'ci' is required. However, the definition of\n'com20020pci_id_table' reveals that this field is empty for some\ndevices, which will cause null pointer dereference when initializing\nthese devices.\n\nThe following log reveals it:\n\n[ 3.973806] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]\n[ 3.973819] RIP: 0010:com20020pci_probe+0x18d/0x13e0 [com20020_pci]\n[ 3.975181] Call Trace:\n[ 3.976208] local_pci_probe+0x13f/0x210\n[ 3.977248] pci_device_probe+0x34c/0x6d0\n[ 3.977255] ? pci_uevent+0x470/0x470\n[ 3.978265] really_probe+0x24c/0x8d0\n[ 3.978273] __driver_probe_device+0x1b3/0x280\n[ 3.979288] driver_probe_device+0x50/0x370\n\nFix this by checking whether the 'ci' is a null pointer first."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: arcnet: com20020: corrija null-ptr-deref en com20020pci_probe() Durante la inicializaci\u00f3n del controlador, se requiere el puntero de informaci\u00f3n de la tarjeta, es decir, la variable 'ci'. Sin embargo, la definici\u00f3n de 'com20020pci_id_table' revela que este campo est\u00e1 vac\u00edo para algunos dispositivos, lo que provocar\u00e1 una desreferencia del puntero nulo al inicializar estos dispositivos. El siguiente registro lo revela: [3.973806] KASAN: null-ptr-deref en el rango [0x0000000000000028-0x000000000000002f] [3.973819] RIP: 0010:com20020pci_probe+0x18d/0x13e0 [com20020_p ci] [3.975181] Seguimiento de llamadas: [3.976208] local_pci_probe+0x13f /0x210 [3.977248] pci_device_probe+0x34c/0x6d0 [3.977255]? pci_uevent+0x470/0x470 [3.978265] very_probe+0x24c/0x8d0 [3.978273] __driver_probe_device+0x1b3/0x280 [3.979288] driver_probe_device+0x50/0x370 Solucione este problema comprobando primero si el 'ci' es un puntero nulo."
}
],
"metrics": {
"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: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-476"
}
]
}
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