CVE-2022-49421 (GCVE-0-2022-49421)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:12 – Updated: 2025-05-04 08:37
VLAI?
Title
video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup
Summary
In the Linux kernel, the following vulnerability has been resolved: video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_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 ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: d10715be03bd8bad59ddc50236cb140c3bd73c7b , < 6c92711db7c90f78e0b67ac2a8944d0fe7e12d83 (git)
Affected: d10715be03bd8bad59ddc50236cb140c3bd73c7b , < 2e2e2c71b2642289438392edbf5d08cdbc0b138b (git)
Affected: d10715be03bd8bad59ddc50236cb140c3bd73c7b , < 51eb1bb6baeb478538dd4ec6459fd68c44a855b1 (git)
Affected: d10715be03bd8bad59ddc50236cb140c3bd73c7b , < 8db59df7f5826e104db82cfddbf22a33a151193e (git)
Affected: d10715be03bd8bad59ddc50236cb140c3bd73c7b , < c1c4405222b6fc98c16e8c2aa679c14e41d81465 (git)
Affected: d10715be03bd8bad59ddc50236cb140c3bd73c7b , < f2dfb4ab887d67be7d0892ba041d3c8d738d3356 (git)
Affected: d10715be03bd8bad59ddc50236cb140c3bd73c7b , < bbb2a24e863b6a10129546a0a4ceea2f07deec39 (git)
Affected: d10715be03bd8bad59ddc50236cb140c3bd73c7b , < 38d245cebf545338a6bc1c7762023de3fbecd7b7 (git)
Affected: d10715be03bd8bad59ddc50236cb140c3bd73c7b , < b23789a59fa6f00e98a319291819f91fbba0deb8 (git)
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    Linux Linux Affected: 3.17
Unaffected: 0 , < 3.17 (semver)
Unaffected: 4.9.318 , ≤ 4.9.* (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)
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              "version": "4.9.318",
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              "lessThanOrEqual": "4.14.*",
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup\n\nof_parse_phandle() returns a node pointer with refcount incremented, we should\nuse of_node_put() on it when not need anymore.  Add missing of_node_put() to\navoid refcount leak."
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      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:37:19.074Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        }
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      "title": "video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49421",
    "datePublished": "2025-02-26T02:12:44.790Z",
    "dateReserved": "2025-02-26T02:08:31.568Z",
    "dateUpdated": "2025-05-04T08:37:19.074Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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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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