CVE-2026-100072

{
  "id": "CVE-2026-100072",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-09-25T14:17:13.700",
  "lastModified": "2026-10-21T18:49:49.167",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: platform: Use acpi_bus_get_primary_device()\n\nThe acpi_get_first_physical_node() usage in acpi_platform_fill_resource()\nand acpi_create_platform_device() is generally unsafe because in theory\nthe device returned by it may be freed at any time [1].\n\nIt is also inefficient because acpi_get_first_physical_node() is called\nmultiple times for the same argument which can be avoided.\n\nAddress these issues by using acpi_bus_get_primary_device() instead of\nacpi_get_first_physical_node() and adjusting the code to call it just\nonce at the beginning of and acpi_create_platform_device() and drop\nthe device reference acquired by it upon the return from that function."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/acpi/acpi_platform.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "3b95bd160547f56a68aeb972c33ae9511e7a8380",
              "lessThan": "a75e5de593ef158feb17989bff7730c5a3d82503",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "3b95bd160547f56a68aeb972c33ae9511e7a8380",
              "lessThan": "527a497fb2ef77a95170eefe2007e2c4c957bd2c",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "3b95bd160547f56a68aeb972c33ae9511e7a8380",
              "lessThan": "c9d202d3b6c28e8c779cd2f2b10d2f7ab665ca71",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "3b95bd160547f56a68aeb972c33ae9511e7a8380",
              "lessThan": "a9ba4dd2f18bf3f439d9ef0d8f375f90360ba1bd",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/acpi/acpi_platform.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "4.6",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "4.6",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.6.160",
              "lessThanOrEqual": "6.6.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.12.114",
              "lessThanOrEqual": "6.12.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2.6",
              "lessThanOrEqual": "7.2.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.3",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.6",
              "versionEndExcluding": "7.2.6",
              "matchCriteriaId": "DD82E339-AFE4-4D6E-AE7F-BC26398AF217"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/527a497fb2ef77a95170eefe2007e2c4c957bd2c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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    },
    {
      "url": "https://git.kernel.org/stable/c/a75e5de593ef158feb17989bff7730c5a3d82503",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/a9ba4dd2f18bf3f439d9ef0d8f375f90360ba1bd",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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    },
    {
      "url": "https://git.kernel.org/stable/c/c9d202d3b6c28e8c779cd2f2b10d2f7ab665ca71",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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  ]
}