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nvd-json-data-feeds/CVE-2024/CVE-2024-566xx/CVE-2024-56662.json
cad-safe-bot 888c7a9ac7 Auto-Update: 2025-01-06T19:00:28.740053+00:00
2025-01-06 19:03:52 +00:00

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{
"id": "CVE-2024-56662",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-12-27T15:15:26.073",
"lastModified": "2025-01-06T18:51:31.593",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nacpi: nfit: vmalloc-out-of-bounds Read in acpi_nfit_ctl\n\nFix an issue detected by syzbot with KASAN:\n\nBUG: KASAN: vmalloc-out-of-bounds in cmd_to_func drivers/acpi/nfit/\ncore.c:416 [inline]\nBUG: KASAN: vmalloc-out-of-bounds in acpi_nfit_ctl+0x20e8/0x24a0\ndrivers/acpi/nfit/core.c:459\n\nThe issue occurs in cmd_to_func when the call_pkg->nd_reserved2\narray is accessed without verifying that call_pkg points to a buffer\nthat is appropriately sized as a struct nd_cmd_pkg. This can lead\nto out-of-bounds access and undefined behavior if the buffer does not\nhave sufficient space.\n\nTo address this, a check was added in acpi_nfit_ctl() to ensure that\nbuf is not NULL and that buf_len is less than sizeof(*call_pkg)\nbefore accessing it. This ensures safe access to the members of\ncall_pkg, including the nd_reserved2 array."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: acpi: nfit: vmalloc-out-of-bounds Lectura en acpi_nfit_ctl Se soluciona un problema detectado por syzbot con KASAN: ERROR: KASAN: vmalloc-out-of-bounds en cmd_to_func drivers/acpi/nfit/ core.c:416 [en l\u00ednea] ERROR: KASAN: vmalloc-out-of-bounds en acpi_nfit_ctl+0x20e8/0x24a0 drivers/acpi/nfit/core.c:459 El problema ocurre en cmd_to_func cuando se accede a la matriz call_pkg->nd_reserved2 sin verificar que call_pkg apunte a un b\u00fafer que tenga el tama\u00f1o adecuado como una estructura nd_cmd_pkg. Esto puede provocar un acceso fuera de los l\u00edmites y un comportamiento indefinido si el b\u00fafer no tiene suficiente espacio. Para solucionar este problema, se agreg\u00f3 una verificaci\u00f3n en acpi_nfit_ctl() para garantizar que buf no sea NULL y que buf_len sea menor que sizeof(*call_pkg) antes de acceder a \u00e9l. Esto garantiza un acceso seguro a los miembros de call_pkg, incluida la matriz nd_reserved2."
}
],
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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: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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