{
  "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-2022-49731",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49731",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:24:41.300Z",
    "updatedAt": "2026-05-11T19:05:44.324Z",
    "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": "ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()\n\nIn an unlikely (and probably wrong?) case that the 'ppi' parameter of\nata_host_alloc_pinfo() points to an array starting with a NULL pointer,\nthere's going to be a kernel oops as the 'pi' local variable won't get\nreassigned from the initial value of NULL. Initialize 'pi' instead to\n'&ata_dummy_port_info' to fix the possible kernel oops for good...\n\nFound by Linux Verification Center (linuxtesting.org) with the SVACE static\nanalysis tool.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ca4693e6e06e4fd2b240c0fec47aa2498c94848e"
            },
            {
              "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1ac5efee33f29e704226506d429b84575a5d66f8"
            },
            {
              "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a810bd5af06977a847d1f202b22d7defd5c62497"
            },
            {
              "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "253334f84c81bc6a43af489f108c0bddad989eef"
            },
            {
              "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "36cd19e7d4e5571d77a2ed20c5b6ef50cf57734a"
            },
            {
              "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ff128fbea720bf763fa345680dda5f050bc24a47"
            },
            {
              "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "07cbdb4807d369fbda73062a91b570c4dc5ec429"
            },
            {
              "version": "f5cda257296fbd3683b1f568f2d94d3caaacf74d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bf476fe22aa1851bab4728e0c49025a6a0bea307"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.22",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.22"
            },
            {
              "version": "4.9.320",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.285",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.249",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.200",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.124",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.49",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.18.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}