{
  "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-2022-50263",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50263",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-15T14:20:59.436Z",
    "updatedAt": "2026-05-11T19:15:56.311Z",
    "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": "vdpasim: fix memory leak when freeing IOTLBs",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nvdpasim: fix memory leak when freeing IOTLBs\n\nAfter commit bda324fd037a (\"vdpasim: control virtqueue support\"),\nvdpasim->iommu became an array of IOTLB, so we should clean the\nmappings of each free one by one instead of just deleting the ranges\nin the first IOTLB which may leak maps.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "54b210c90d2803a9f1c8fd2f0d08e90172e9a06d"
            },
            {
              "version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "16b22e27fba6fd816d0dcb98f42cc71f0836c27e"
            },
            {
              "version": "bda324fd037a6b0d44da5699574ce741ca161bc4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0b7a04a30eef20e6b24926a45c0ce7906ae85bd6"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.19"
            },
            {
              "version": "6.0.19",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}