{
  "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-2026-45862",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-45862",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-27T12:15:41.903Z",
    "updatedAt": "2026-10-19T19:26:39.041Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "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": "iommu/vt-d: Flush cache for PASID table before using it",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Flush cache for PASID table before using it\n\nWhen writing the address of a freshly allocated zero-initialized PASID\ntable to a PASID directory entry, do that after the CPU cache flush for\nthis PASID table, not before it, to avoid the time window when this\nPASID table may be already used by non-coherent IOMMU hardware while\nits contents in RAM is still some random old data, not zero-initialized.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7e00b52c8cdd9d3a985d63d72ecae7bde6314883",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cd75e77125c8a51754ca4cd60b4ca083ed735d1d"
            },
            {
              "version": "5c65f097124770c3e5b9b83ed1a8b68c119bc7b5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0616137b70e6d9a547d4b60df8e1b64e36d83661"
            },
            {
              "version": "2bed9455db7cc0ab7ece6b3d846472097b52855a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "36990407cdd257473607e33802d00e978af2759e"
            },
            {
              "version": "194b3348bdbb7db65375c72f3f774aee4cc6614e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c93f23375d8c410954b0df825e814b632fd62b9d"
            },
            {
              "version": "194b3348bdbb7db65375c72f3f774aee4cc6614e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5962c30a6f05ea1ab73f039e235bb30716243517"
            },
            {
              "version": "194b3348bdbb7db65375c72f3f774aee4cc6614e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "36244dfd3853f7bf89d03b8e90d56b23ce7fbc16"
            },
            {
              "version": "194b3348bdbb7db65375c72f3f774aee4cc6614e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d15cda135148ea7ba929cfdbcf208182bc29a7aa"
            },
            {
              "version": "194b3348bdbb7db65375c72f3f774aee4cc6614e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "22d169bdd2849fe6bd18c2643742e1c02be6451c"
            },
            {
              "version": "1b48c70feefc499b62670521efa002ab01e05df5",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "bc348a6cc8f92e9979fbfbb3c6b48fd51b4b1dbf",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.10.175",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.10.252"
            },
            {
              "version": "5.15.103",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.202"
            },
            {
              "version": "6.1.16",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.165"
            },
            {
              "version": "5.4.237",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.5"
            },
            {
              "version": "6.2.3",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.3"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.3",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.3"
            },
            {
              "version": "5.10.252",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.202",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.165",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.128",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}