fkie_cve-2025-38380
Vulnerability from fkie_nvd
Published
2025-07-25 13:15
Modified
2025-07-25 15:29
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: i2c/designware: Fix an initialization issue The i2c_dw_xfer_init() function requires msgs and msg_write_idx from the dev context to be initialized. amd_i2c_dw_xfer_quirk() inits msgs and msgs_num, but not msg_write_idx. This could allow an out of bounds access (of msgs). Initialize msg_write_idx before calling i2c_dw_xfer_init().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3d30048958e0d43425f6d4e76565e6249fa71050
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/475f89e1f9bde45fc948589e7cde1f5d899ae412
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4c37963d67fb945a59faf53bebe048ca201e44df
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5b622e672e49e50c33fc64cd06b05ce76e1de460
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6358cb9c2a31e23b6b51bfcd7fe2b7becaf6b149
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9b5b600e751fae92ba571b015eaf02c9c58e2083
Impacted products
Vendor Product Version


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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c/designware: Fix an initialization issue\n\nThe i2c_dw_xfer_init() function requires msgs and msg_write_idx from the\ndev context to be initialized.\n\namd_i2c_dw_xfer_quirk() inits msgs and msgs_num, but not msg_write_idx.\n\nThis could allow an out of bounds access (of msgs).\n\nInitialize msg_write_idx before calling i2c_dw_xfer_init()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: i2c/designware: Se solucion\u00f3 un problema de inicializaci\u00f3n. La funci\u00f3n i2c_dw_xfer_init() requiere que se inicialicen msgs y msg_write_idx del contexto de desarrollo. amd_i2c_dw_xfer_quirk() inicializa msgs y msgs_num, pero no msg_write_idx. Esto podr\u00eda permitir un acceso fuera de los l\u00edmites de msgs. Inicialice msg_write_idx antes de llamar a i2c_dw_xfer_init()."
    }
  ],
  "id": "CVE-2025-38380",
  "lastModified": "2025-07-25T15:29:19.837",
  "metrics": {},
  "published": "2025-07-25T13:15:27.157",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3d30048958e0d43425f6d4e76565e6249fa71050"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/475f89e1f9bde45fc948589e7cde1f5d899ae412"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4c37963d67fb945a59faf53bebe048ca201e44df"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5b622e672e49e50c33fc64cd06b05ce76e1de460"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6358cb9c2a31e23b6b51bfcd7fe2b7becaf6b149"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/9b5b600e751fae92ba571b015eaf02c9c58e2083"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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