CVE-2022-50443 (GCVE-0-2022-50443)
Vulnerability from cvelistv5
Published
2025-10-01 11:42
Modified
2025-10-01 11:42
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: lvds: fix PM usage counter unbalance in poweron pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. We fix it by replacing it with the newest pm_runtime_resume_and_get to keep usage counter balanced.
References
Impacted products
Vendor Product Version
Linux Linux Version: 34cc0aa2545603560c79aaea3340d8ff3a71bd10
Version: 34cc0aa2545603560c79aaea3340d8ff3a71bd10
Version: 34cc0aa2545603560c79aaea3340d8ff3a71bd10
Version: 34cc0aa2545603560c79aaea3340d8ff3a71bd10
Version: 34cc0aa2545603560c79aaea3340d8ff3a71bd10
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/rockchip/rockchip_lvds.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/rockchip/rockchip_lvds.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.15"
            },
            {
              "lessThan": "4.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.163",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "5.15.86",
              "versionType": "semver"
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              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "4.15",
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                },
                {
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                },
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/rockchip: lvds: fix PM usage counter unbalance in poweron\n\npm_runtime_get_sync will increment pm usage counter even it failed.\nForgetting to putting operation will result in reference leak here.\nWe fix it by replacing it with the newest pm_runtime_resume_and_get\nto keep usage counter balanced."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-01T11:42:18.900Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/110bf15825edf4f20bc4e56aba624297861b06ab"
        },
        {
          "url": "https://git.kernel.org/stable/c/f6ed73db390319b248b91a6325da1a48ad85e0d1"
        },
        {
          "url": "https://git.kernel.org/stable/c/589a911980b730feadb9c430bc0747a118b04dd8"
        },
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        },
        {
          "url": "https://git.kernel.org/stable/c/4dba27f1a14592ac4cf71c3bc1cc1fd05dea8015"
        }
      ],
      "title": "drm/rockchip: lvds: fix PM usage counter unbalance in poweron",
      "x_generator": {
        "engine": "bippy-1.2.0"
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50443",
    "datePublished": "2025-10-01T11:42:18.900Z",
    "dateReserved": "2025-09-17T14:53:07.010Z",
    "dateUpdated": "2025-10-01T11:42:18.900Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50443\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-01T12:15:36.590\",\"lastModified\":\"2025-10-02T19:12:17.160\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/rockchip: lvds: fix PM usage counter unbalance in poweron\\n\\npm_runtime_get_sync will increment pm usage counter even it failed.\\nForgetting to putting operation will result in reference leak here.\\nWe fix it by replacing it with the newest pm_runtime_resume_and_get\\nto keep usage counter balanced.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/110bf15825edf4f20bc4e56aba624297861b06ab\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/12a9b4c4ebd9a0ba856370e088564af83cffd565\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4dba27f1a14592ac4cf71c3bc1cc1fd05dea8015\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/589a911980b730feadb9c430bc0747a118b04dd8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f6ed73db390319b248b91a6325da1a48ad85e0d1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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