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CVE-2023-54027 iio: core: Prevent invalid memory access when there is no parent

🗓️ 24 Dec 2025 10:55:55Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

Prevents NULL pointer access in the IIO core when there is no parent, fixing the dummy device with configfs.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iio/industrialio-core.c"
    ],
    "versions": [
      {
        "version": "813665564b3d7c74412fe2877520f1d254ce948a",
        "lessThan": "312f04ede209f0a186799fe8e64a19b49700d5dc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "813665564b3d7c74412fe2877520f1d254ce948a",
        "lessThan": "a4b34cccff14ce74bb7d77fbfd56e7c9d7c28a97",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "813665564b3d7c74412fe2877520f1d254ce948a",
        "lessThan": "b2a69969908fcaf68596dfc04369af0fe2e1d2f7",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iio/industrialio-core.c"
    ],
    "versions": [
      {
        "version": "5.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.46",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4.11",
        "lessThanOrEqual": "6.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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