CVE-2022-49439 (GCVE-0-2022-49439)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:12 – Updated: 2026-05-11 18:59
VLAI
Title
powerpc/fsl_rio: Fix refcount leak in fsl_rio_setup
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/fsl_rio: Fix refcount leak in fsl_rio_setup of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. 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
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: abc3aeae3aaa5c319d02f12649e17ea5929999aa , < 51e25fbf20c9152d84a34b7afac15a41fe5c9116 (git)
Affected: abc3aeae3aaa5c319d02f12649e17ea5929999aa , < 5b8aa2ba38c010f47c965dd9bb5a8561813ed649 (git)
Affected: abc3aeae3aaa5c319d02f12649e17ea5929999aa , < bcb6c4c5eb4836a21411dfe8247bf9951eb6e7c3 (git)
Affected: abc3aeae3aaa5c319d02f12649e17ea5929999aa , < 46fd994763cf6884b88a2da712af918f3ed54d7b (git)
Affected: abc3aeae3aaa5c319d02f12649e17ea5929999aa , < 7b668a59ddfb32727e39b06fdf52b28e58c684e0 (git)
Affected: abc3aeae3aaa5c319d02f12649e17ea5929999aa , < c70dd353d37158e06bf8d450d4b31a7091609924 (git)
Affected: abc3aeae3aaa5c319d02f12649e17ea5929999aa , < 5607a77a365df8c0fd5ff43ac424812b95775527 (git)
Affected: abc3aeae3aaa5c319d02f12649e17ea5929999aa , < fcee96924ba1596ca80a6770b2567ca546f9a482 (git)
Create a notification for this product.
Linux Linux Affected: 3.3
Unaffected: 0 , < 3.3 (semver)
Unaffected: 4.14.283 , ≤ 4.14.* (semver)
Unaffected: 4.19.247 , ≤ 4.19.* (semver)
Unaffected: 5.4.198 , ≤ 5.4.* (semver)
Unaffected: 5.10.121 , ≤ 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)
Create a notification for this product.
Show details on NVD website
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\"unaffected\", \"version\": \"0\", \"lessThan\": \"3.3\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.14.283\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.247\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.198\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.121\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.46\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.17.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.17.*\"}, {\"status\": \"unaffected\", \"version\": \"5.18.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.18.*\"}, {\"status\": \"unaffected\", \"version\": \"5.19\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"arch/powerpc/sysdev/fsl_rio.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/51e25fbf20c9152d84a34b7afac15a41fe5c9116\"}, {\"url\": \"https://git.kernel.org/stable/c/5b8aa2ba38c010f47c965dd9bb5a8561813ed649\"}, {\"url\": \"https://git.kernel.org/stable/c/bcb6c4c5eb4836a21411dfe8247bf9951eb6e7c3\"}, {\"url\": \"https://git.kernel.org/stable/c/46fd994763cf6884b88a2da712af918f3ed54d7b\"}, {\"url\": \"https://git.kernel.org/stable/c/7b668a59ddfb32727e39b06fdf52b28e58c684e0\"}, {\"url\": \"https://git.kernel.org/stable/c/c70dd353d37158e06bf8d450d4b31a7091609924\"}, {\"url\": \"https://git.kernel.org/stable/c/5607a77a365df8c0fd5ff43ac424812b95775527\"}, {\"url\": \"https://git.kernel.org/stable/c/fcee96924ba1596ca80a6770b2567ca546f9a482\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\npowerpc/fsl_rio: Fix refcount leak in fsl_rio_setup\\n\\nof_parse_phandle() returns a node pointer with refcount\\nincremented, we should use of_node_put() on it when not need anymore.\\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\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.247\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.198\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.121\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.46\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.14\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18.3\", \"versionStartIncluding\": \"3.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19\", \"versionStartIncluding\": \"3.3\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T18:59:50.567Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49439\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T18:59:50.567Z\", \"dateReserved\": \"2025-02-26T02:08:31.570Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T02:12:53.490Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.





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.