{
  "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-2022-49053",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49053",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T01:54:26.806Z",
    "updatedAt": "2026-08-05T08:53:37.868Z",
    "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": "scsi: target: tcmu: Fix possible page UAF",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: tcmu: Fix possible page UAF\n\ntcmu_try_get_data_page() looks up pages under cmdr_lock, but it does not\ntake refcount properly and just returns page pointer. When\ntcmu_try_get_data_page() returns, the returned page may have been freed by\ntcmu_blocks_release().\n\nWe need to get_page() under cmdr_lock to avoid concurrent\ntcmu_blocks_release().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "141685a39151aea95eb56562d2953e919c6c73da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d7c5d79e50be6e06b669141e3db1f977a0dd4e8e"
            },
            {
              "version": "141685a39151aea95eb56562d2953e919c6c73da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e3e0e067d5b34e4a68e3cc55f8eebc413f56f8ed"
            },
            {
              "version": "141685a39151aea95eb56562d2953e919c6c73da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fb7a5115422fbd6a4d505e8844f1ef5529f10489"
            },
            {
              "version": "141685a39151aea95eb56562d2953e919c6c73da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "aec36b98a1bbaa84bfd8299a306e4c12314af626"
            },
            {
              "version": "141685a39151aea95eb56562d2953e919c6c73da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b7f3b5d70c834f49f7d87a2f2ed1c6284d9a0322"
            },
            {
              "version": "141685a39151aea95eb56562d2953e919c6c73da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a9564d84ed9f6ee71017d062d0d2182154294a4b"
            },
            {
              "version": "141685a39151aea95eb56562d2953e919c6c73da",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a6968f7a367f128d120447360734344d5a3d5336"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.12"
            },
            {
              "version": "4.14.276",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.239",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.190",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.112",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.35",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.17.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "version": "5.18",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}