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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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:42 UTC
CWE
Assigner
References
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)
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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.
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No necesitamos el nodo del dispositivo despu\u00e9s de \u00e9l. Agregue of_node_put() faltante para evitar la fuga de 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "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": {
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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.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.283\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.247\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.198\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.122\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.47\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.15\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18.4\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19\", \"versionStartIncluding\": \"4.11\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T18:58:18.959Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49367\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T18:58:18.959Z\", \"dateReserved\": \"2025-02-26T02:08:31.555Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T02:11:11.729Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • 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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.