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CVE-2022-49367 (GCVE-0-2022-49367)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:11 – Updated: 2026-05-11 18:58
VLAI
Title
net: dsa: mv88e6xxx: Fix refcount leak in mv88e6xxx_mdios_register
Summary
In the Linux kernel, the following vulnerability has been resolved: net: dsa: mv88e6xxx: Fix refcount leak in mv88e6xxx_mdios_register of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. mv88e6xxx_mdio_register() pass the device node to of_mdiobus_register(). We don't need the device node after it. Add missing of_node_put() to avoid refcount leak.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:42 UTC
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: a3c53be55c955b7150cda17874c3fcb4eeb97a89 , < dc1cf8c6f9793546696fded437a5b4c84944c48b (git)
Affected: a3c53be55c955b7150cda17874c3fcb4eeb97a89 , < 86c3c5f8e4bd1325e24f6fba9017cade29933377 (git)
Affected: a3c53be55c955b7150cda17874c3fcb4eeb97a89 , < a101793994c0a14c70bb4e44c7fda597eeebba0a (git)
Affected: a3c53be55c955b7150cda17874c3fcb4eeb97a89 , < 42658e47f1abbbe592007d3ba303de466114d0bb (git)
Affected: a3c53be55c955b7150cda17874c3fcb4eeb97a89 , < c1df9cb756e5a9ba1841648c44ee5d92306b9c65 (git)
Affected: a3c53be55c955b7150cda17874c3fcb4eeb97a89 , < e0d763d0c7665c7897e4f5a0847ab0c82543345f (git)
Affected: a3c53be55c955b7150cda17874c3fcb4eeb97a89 , < 8a1a1255152da4fb934290e7ababc66f24985520 (git)
Affected: a3c53be55c955b7150cda17874c3fcb4eeb97a89 , < 02ded5a173619b11728b8bf75a3fd995a2c1ff28 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.11
Unaffected: 0 , < 4.11 (semver)
Unaffected: 4.14.283 , ≤ 4.14.* (semver)
Unaffected: 4.19.247 , ≤ 4.19.* (semver)
Unaffected: 5.4.198 , ≤ 5.4.* (semver)
Unaffected: 5.10.122 , ≤ 5.10.* (semver)
Unaffected: 5.15.47 , ≤ 5.15.* (semver)
Unaffected: 5.17.15 , ≤ 5.17.* (semver)
Unaffected: 5.18.4 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

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          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
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                "value": "NVD-CWE-Other"
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            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
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    },
    "redhat_vex": {
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      "current_release_date": "2026-06-29T21:05:19+00:00",
      "cve": "CVE-2022-49367",
      "id": "CVE-2022-49367",
      "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: net: dsa: mv88e6xxx: Fix refcount leak in mv88e6xxx_mdios_register",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49367.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T01:27:49Z",
      "cve": "CVE-2022-49367",
      "id": "CVE-2022-49367",
      "initial_release_date": "2025-02-27T03:08:04Z",
      "product_status:known_affected": "509",
      "product_status:known_not_affected": "177",
      "product_status:recommended": "249",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49367",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49367.json",
      "version": "57"
    },
    "vulnrichment": {
      "containers": {
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          {
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              {
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                  "attackComplexity": "LOW",
                  "attackVector": "LOCAL",
                  "availabilityImpact": "HIGH",
                  "baseScore": 5.5,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "NONE",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "version": "3.1"
                }
              },
              {
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                  "content": {
                    "id": "CVE-2022-49367",
                    "options": [
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                      },
                      {
                        "Automatable": "no"
                      },
                      {
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                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-10-01T19:42:31.530867Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "description": "CWE-noinfo Not enough information",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-01T16:45:38.652Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
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              "product": "Linux",
              "programFiles": [
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              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
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              "product": "Linux",
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              ],
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              "vendor": "Linux",
              "versions": [
                {
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                  "version": "4.11"
                },
                {
                  "lessThan": "4.11",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "4.14.*",
                  "status": "unaffected",
                  "version": "4.14.283",
                  "versionType": "semver"
                },
                {
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                  "status": "unaffected",
                  "version": "4.19.247",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.4.*",
                  "status": "unaffected",
                  "version": "5.4.198",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.122",
                  "versionType": "semver"
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                {
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                  "versionType": "semver"
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                  "status": "unaffected",
                  "version": "5.18.4",
                  "versionType": "semver"
                },
                {
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                  "status": "unaffected",
                  "version": "5.19",
                  "versionType": "original_commit_for_fix"
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          ],
          "cpeApplicability": [
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                    {
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                    {
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              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: mv88e6xxx: Fix refcount leak in mv88e6xxx_mdios_register\n\nof_get_child_by_name() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when done.\n\nmv88e6xxx_mdio_register() pass the device node to of_mdiobus_register().\nWe don\u0027t need the device node after it.\n\nAdd missing of_node_put() to avoid refcount leak."
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          "title": "net: dsa: mv88e6xxx: Fix refcount leak in mv88e6xxx_mdios_register",
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        "assignerShortName": "Linux",
        "cveId": "CVE-2022-49367",
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        "dateReserved": "2025-02-26T02:08:31.555Z",
        "dateUpdated": "2026-05-11T18:58:18.959Z",
        "state": "PUBLISHED"
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    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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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