{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-50576",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50576",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-22T13:23:30.250Z",
    "updatedAt": "2026-05-11T19:22:05.824Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "serial: pch: Fix PCI device refcount leak in pch_request_dma()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: pch: Fix PCI device refcount leak in pch_request_dma()\n\nAs comment of pci_get_slot() says, it returns a pci_device with its\nrefcount increased. The caller must decrement the reference count by\ncalling pci_dev_put().\n\nSince 'dma_dev' is only used to filter the channel in filter(), we can\ncall pci_dev_put() before exiting from pch_request_dma(). Add the\nmissing pci_dev_put() for the normal and error path.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "3c6a483275f47a2ef7119309ad3d791c10cf30da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "90ff030ca10b69feeebda1427550ebf9ed2ad868"
            },
            {
              "version": "3c6a483275f47a2ef7119309ad3d791c10cf30da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "56e5a7c5ee3f0dc8978b5df2b1a98a1b060c5e2a"
            },
            {
              "version": "3c6a483275f47a2ef7119309ad3d791c10cf30da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dfd15c5550b9190d5b0f9bcacb3e6436322f3854"
            },
            {
              "version": "3c6a483275f47a2ef7119309ad3d791c10cf30da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d165388227aa7e46a9751b90bae6337b5335cdbb"
            },
            {
              "version": "3c6a483275f47a2ef7119309ad3d791c10cf30da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "07f4ca68b0f6bf84b6b391c14b59fd179fcde9c5"
            },
            {
              "version": "3c6a483275f47a2ef7119309ad3d791c10cf30da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6f7d82380fbeaed3a940efc33c23f0c4bbd0fc02"
            },
            {
              "version": "3c6a483275f47a2ef7119309ad3d791c10cf30da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4f5d28865c665c9064de631a518f9bc8099d9ce4"
            },
            {
              "version": "3c6a483275f47a2ef7119309ad3d791c10cf30da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "516614a371c26e3334625b4bca19a5362bf658d6"
            },
            {
              "version": "3c6a483275f47a2ef7119309ad3d791c10cf30da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8be3a7bf773700534a6e8f87f6ed2ed111254be5"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.38",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.38"
            },
            {
              "version": "4.9.337",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.303",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.270",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.229",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.163",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.86",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}