FKIE_CVE-2023-52763

Vulnerability from fkie_nvd - Published: 2024-05-21 16:15 - Updated: 2025-09-19 14:39
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: i3c: master: mipi-i3c-hci: Fix a kernel panic for accessing DAT_data. The `i3c_master_bus_init` function may attach the I2C devices before the I3C bus initialization. In this flow, the DAT `alloc_entry`` will be used before the DAT `init`. Additionally, if the `i3c_master_bus_init` fails, the DAT `cleanup` will execute before the device is detached, which will execue DAT `free_entry` function. The above scenario can cause the driver to use DAT_data when it is NULL.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/39c71357e68e2f03766f9321b9f4882e49ff1442Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3cb79a365e7cce8f121bba91312e2ddd206b9781Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b53e9758a31c683fc8615df930262192ed5f034bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e64d23dc65810be4e3395d72df0c398f60c991f9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eed74230435c61eeb58abaa275b1820e6a4b7f02Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/39c71357e68e2f03766f9321b9f4882e49ff1442Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3cb79a365e7cce8f121bba91312e2ddd206b9781Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b53e9758a31c683fc8615df930262192ed5f034bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e64d23dc65810be4e3395d72df0c398f60c991f9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/eed74230435c61eeb58abaa275b1820e6a4b7f02Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni3c: master: mipi-i3c-hci: Fix a kernel panic for accessing DAT_data.\n\nThe `i3c_master_bus_init` function may attach the I2C devices before the\nI3C bus initialization. In this flow, the DAT `alloc_entry`` will be used\nbefore the DAT `init`. Additionally, if the `i3c_master_bus_init` fails,\nthe DAT `cleanup` will execute before the device is detached, which will\nexecue DAT `free_entry` function. The above scenario can cause the driver\nto use DAT_data when it is NULL."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: i3c: master: mipi-i3c-hci: se corrigi\u00f3 un p\u00e1nico del kernel al acceder a DAT_data. La funci\u00f3n `i3c_master_bus_init` puede conectar los dispositivos I2C antes de la inicializaci\u00f3n del bus I3C. En este flujo, el DAT `alloc_entry`` se utilizar\u00e1 antes del DAT `init`. Adem\u00e1s, si `i3c_master_bus_init` falla, la `limpieza` de DAT se ejecutar\u00e1 antes de desconectar el dispositivo, lo que ejecutar\u00e1 la funci\u00f3n DAT `free_entry`. El escenario anterior puede hacer que el controlador utilice DAT_data cuando es NULL."
    }
  ],
  "id": "CVE-2023-52763",
  "lastModified": "2025-09-19T14:39:18.377",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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  "published": "2024-05-21T16:15:15.630",
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      "source": "nvd@nist.gov",
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}


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