FKIE_CVE-2024-58069

Vulnerability from fkie_nvd - Published: 2025-03-06 16:15 - Updated: 2025-11-03 20:17
Summary
In the Linux kernel, the following vulnerability has been resolved: rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read The nvmem interface supports variable buffer sizes, while the regmap interface operates with fixed-size storage. If an nvmem client uses a buffer size less than 4 bytes, regmap_read will write out of bounds as it expects the buffer to point at an unsigned int. Fix this by using an intermediary unsigned int to hold the value.

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read\n\nThe nvmem interface supports variable buffer sizes, while the regmap\ninterface operates with fixed-size storage. If an nvmem client uses a\nbuffer size less than 4 bytes, regmap_read will write out of bounds\nas it expects the buffer to point at an unsigned int.\n\nFix this by using an intermediary unsigned int to hold the value."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: rtc: pcf85063: se corrige una posible escritura OOB en la lectura NVMEM PCF85063 La interfaz nvmem admite tama\u00f1os de b\u00fafer variables, mientras que la interfaz regmap opera con almacenamiento de tama\u00f1o fijo. Si un cliente nvmem usa un tama\u00f1o de b\u00fafer menor a 4 bytes, regmap_read escribir\u00e1 fuera de los l\u00edmites ya que espera que el b\u00fafer apunte a una int sin signo. Corrija esto usando una int sin signo intermedia para contener el valor."
    }
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  "id": "CVE-2024-58069",
  "lastModified": "2025-11-03T20:17:01.113",
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          "baseScore": 7.8,
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          "confidentialityImpact": "HIGH",
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          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2025-03-06T16:15:53.373",
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  "vulnStatus": "Modified",
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