{
  "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-2026-68176",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-68176",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-08-10T11:59:47.298Z",
    "updatedAt": "2026-08-19T16:30:41.982Z",
    "importedAt": "2026-10-24T01:58:25.636Z",
    "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": "tracing: Fix mmiotrace possible NULL dereferencing of hiter->dev",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix mmiotrace possible NULL dereferencing of hiter->dev\n\nIf the mmio_pipe_open() fails to find a PCI device, the hiter->dev\nwill be assigned to NULL. The mmiotrace read() function dereferences the\nhiter->dev if hiter exists.\n\nChange the test of the read to not only check hiter being NULL, but also\nthe hiter->dev before dereferencing it.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "f984b51e0779a6dd30feedc41404013ca54e5d05",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c06470320f8156306986a831010cdc9f9f87cb50"
            },
            {
              "version": "f984b51e0779a6dd30feedc41404013ca54e5d05",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0d5aaf91a3d05f7f993401af27872a5fc0f26edc"
            },
            {
              "version": "f984b51e0779a6dd30feedc41404013ca54e5d05",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3635a9e8b453e658a49b39d025f35bbc6e58d0e2"
            },
            {
              "version": "f984b51e0779a6dd30feedc41404013ca54e5d05",
              "status": "affected",
              "versionType": "git",
              "lessThan": "faaf95135184208ee3ac6f33175c8d1800669dfc"
            },
            {
              "version": "f984b51e0779a6dd30feedc41404013ca54e5d05",
              "status": "affected",
              "versionType": "git",
              "lessThan": "201a01102c529772168181190cb084471082cf5c"
            },
            {
              "version": "f984b51e0779a6dd30feedc41404013ca54e5d05",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8464427e1c177809a9488a97dfa2807d9dcf323b"
            },
            {
              "version": "f984b51e0779a6dd30feedc41404013ca54e5d05",
              "status": "affected",
              "versionType": "git",
              "lessThan": "724cd84b0546c07806840fa658714488553d13a2"
            },
            {
              "version": "f984b51e0779a6dd30feedc41404013ca54e5d05",
              "status": "affected",
              "versionType": "git",
              "lessThan": "144f29e85702234b23d2a62abf723e6a17eb5427"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.27",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.27"
            },
            {
              "version": "5.10.265",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.216",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.183",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.148",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.101",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.42",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}