{
  "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-2022-49611",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49611",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:23:33.779Z",
    "updatedAt": "2026-05-23T15:22:33.348Z",
    "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": "x86/speculation: Fill RSB on vmexit for IBRS",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/speculation: Fill RSB on vmexit for IBRS\n\nPrevent RSB underflow/poisoning attacks with RSB.  While at it, add a\nbunch of comments to attempt to document the current state of tribal\nknowledge about RSB attacks and what exactly is being mitigated.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "b9cdaaf0a3becc52e8b4662fef28c452c4f009b4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3d323b99ff5c8c57005184056d65f6af5b0479d8"
            },
            {
              "version": "117cc7a908c83697b0b737d15ae1eb5943afe35b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f744b88dfc201bf8092833ec70b23c720188b527"
            },
            {
              "version": "117cc7a908c83697b0b737d15ae1eb5943afe35b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "17a9fc4a7b91f8599223631bb6ae6416bc0de1c0"
            },
            {
              "version": "117cc7a908c83697b0b737d15ae1eb5943afe35b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4d7f72b6e1bc630bec7e4cd51814bc2b092bf153"
            },
            {
              "version": "117cc7a908c83697b0b737d15ae1eb5943afe35b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8d5cff499a6d740c91ff37963907e0e983c37f0f"
            },
            {
              "version": "117cc7a908c83697b0b737d15ae1eb5943afe35b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8c38306e2e9257af4af2819aa287a4711ff36329"
            },
            {
              "version": "117cc7a908c83697b0b737d15ae1eb5943afe35b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9756bba28470722dacb79ffce554336dd1f6a6cd"
            },
            {
              "version": "68d1f7a3f1a35639a563bbad768d5df885b4ff05",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "20e080e2752d108388d386ecc0b33d7797dfb18f",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "eebc3f8adee0a6f43a4789ef0bf5c5b35de8cfe4",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "c1ddd99a029636e234a800f28790a60d6ac0318f",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "4.14.14",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.14.297"
            },
            {
              "version": "3.2.101",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.3"
            },
            {
              "version": "3.16.56",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.17"
            },
            {
              "version": "4.4.113",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.5"
            },
            {
              "version": "4.9.77",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.10"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.15",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.15"
            },
            {
              "version": "4.14.297",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.266",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.217",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.133",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.57",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.18.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}