{
  "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-2023-52494",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52494",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-02-29T15:52:11.674Z",
    "updatedAt": "2026-07-24T14:33:12.834Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "bus: mhi: host: Add alignment check for event ring read pointer",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nbus: mhi: host: Add alignment check for event ring read pointer\n\nThough we do check the event ring read pointer by \"is_valid_ring_ptr\"\nto make sure it is in the buffer range, but there is another risk the\npointer may be not aligned.  Since we are expecting event ring elements\nare 128 bits(struct mhi_ring_element) aligned, an unaligned read pointer\ncould lead to multiple issues like DoS or ring buffer memory corruption.\n\nSo add a alignment check for event ring read pointer.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "a1d2bd164c1c78f87968b7883964175ec41c32ae",
              "status": "affected",
              "versionType": "git",
              "lessThan": "76ed0c6f6418cec6efe6f65a0b91f84be80b72eb"
            },
            {
              "version": "ec32332df7645e0ba463a08d483fe97665167071",
              "status": "affected",
              "versionType": "git",
              "lessThan": "94991728c84f8df54fd9eec9b85855ef9057ea08"
            },
            {
              "version": "ec32332df7645e0ba463a08d483fe97665167071",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2df39ac8f813860f79782807c3f7acff40b3c551"
            },
            {
              "version": "ec32332df7645e0ba463a08d483fe97665167071",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a9ebfc405fe1be145f414eafadcbf09506082010"
            },
            {
              "version": "ec32332df7645e0ba463a08d483fe97665167071",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ecf8320111822a1ae5d5fc512953eab46d543d0b"
            },
            {
              "version": "ec32332df7645e0ba463a08d483fe97665167071",
              "status": "affected",
              "versionType": "git",
              "lessThan": "eff9704f5332a13b08fbdbe0f84059c9e7051d5f"
            },
            {
              "version": "fd5f40fc887485a8b9a6806a640a0d8e0ef1afb6",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "76879a980cd5ede4cb9a638999fb80d37bc09db5",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.10.36",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.10.261"
            },
            {
              "version": "5.11.20",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.12"
            },
            {
              "version": "5.12.3",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.13"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.13",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.13"
            },
            {
              "version": "5.10.261",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.149",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.76",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.15",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.7.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.7.*"
            },
            {
              "version": "6.8",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}