CVE-2022-49431 (GCVE-0-2022-49431)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:12 – Updated: 2025-12-23 13:23
VLAI?
Title
powerpc/iommu: Add missing of_node_put in iommu_init_early_dart
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Add missing of_node_put in iommu_init_early_dart The device_node pointer is returned by of_find_compatible_node with refcount incremented. We should use of_node_put() to avoid the refcount leak.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < cb4f2dc513e99c5d0485661f114e4dda73612d10 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < dfc308d6f29aa28463deb9a12278a85a382385ca (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < df6d8b689252c0acc0448d4ae3d33f2d6db048ab (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8657e8ea23325949091da72453ba84fb73cc2bd9 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 7e3f1dfb9e21733d7276bc9ccea4daada163f2ba (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 57b742a5b8945118022973e6416b71351df512fb (git)
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    Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 5.4.198 , ≤ 5.4.* (semver)
Unaffected: 5.10.121 , ≤ 5.10.* (semver)
Unaffected: 5.15.46 , ≤ 5.15.* (semver)
Unaffected: 5.17.14 , ≤ 5.17.* (semver)
Unaffected: 5.18.3 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
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{
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          "product": "Linux",
          "programFiles": [
            "arch/powerpc/sysdev/dart_iommu.c"
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              "version": "5.18.3",
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              "lessThanOrEqual": "*",
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              "version": "5.19",
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            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
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              "cpeMatch": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/iommu: Add missing of_node_put in iommu_init_early_dart\n\nThe device_node pointer is returned by of_find_compatible_node\nwith refcount incremented. We should use of_node_put() to avoid\nthe refcount leak."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-23T13:23:55.799Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/dfc308d6f29aa28463deb9a12278a85a382385ca"
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        {
          "url": "https://git.kernel.org/stable/c/57b742a5b8945118022973e6416b71351df512fb"
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      ],
      "title": "powerpc/iommu: Add missing of_node_put in iommu_init_early_dart",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49431",
    "datePublished": "2025-02-26T02:12:49.592Z",
    "dateReserved": "2025-02-26T02:08:31.569Z",
    "dateUpdated": "2025-12-23T13:23:55.799Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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