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

Vulnerability from cvelistv5 – Published: 2025-02-26 02:12 – Updated: 2026-05-11 18:59
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
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
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)
guessed Create a notification for this product.
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)
guessed Create a notification for this product.
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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:28:49+00:00",
      "cve": "CVE-2022-49431",
      "id": "CVE-2022-49431",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: powerpc/iommu: Add missing of_node_put in iommu_init_early_dart",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49431.json",
      "version": "3"
    }
  }
}



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Nomenclature

  • 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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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.