{
  "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-2026-93115",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-93115",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-17T16:11:23.145Z",
    "updatedAt": "2026-10-19T09:05:49.022Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "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": "platform/mellanox: mlxbf-pmc: Check ACPI_COMPANION() against NULL",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/mellanox: mlxbf-pmc: Check ACPI_COMPANION() against NULL\n\nEvery platform driver can be forced to match a device that doesn't match\nits list of device IDs because of device_match_driver_override(), so\nplatform drivers that rely on the existence of a device's ACPI companion\nobject need to verify its presence.\n\nmlxbf_pmc_probe() passes the result of ACPI_COMPANION() to\nacpi_device_hid(), which dereferences it, so force-binding the driver to\na device without an ACPI companion leads to a NULL pointer dereference.\n\nAccordingly, add a requisite ACPI_COMPANION() check against NULL to the\nmlxbf-pmc driver and return -ENODEV when the companion is missing.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1a218d312e65ec396b2739056a8ea78493015f21",
              "status": "affected",
              "versionType": "git",
              "lessThan": "950d8e8375f3ff4787de51b7bdf8dd23a3ad6547"
            },
            {
              "version": "1a218d312e65ec396b2739056a8ea78493015f21",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fdfb736282b9665c0169df0c4152ec91fdea2767"
            },
            {
              "version": "1a218d312e65ec396b2739056a8ea78493015f21",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bf1e0cc5cc1d4e71b699fc98cc9198ead0ed53e0"
            },
            {
              "version": "1a218d312e65ec396b2739056a8ea78493015f21",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a75b84119e56fc34b0f1403f3b93d357a55dabb6"
            },
            {
              "version": "1a218d312e65ec396b2739056a8ea78493015f21",
              "status": "affected",
              "versionType": "git",
              "lessThan": "71ba8b6e28f7a83b724036f5de07e03bb5473286"
            },
            {
              "version": "1a218d312e65ec396b2739056a8ea78493015f21",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d25dd08268aeaceb485189aaa84aa6d68a460291"
            },
            {
              "version": "1a218d312e65ec396b2739056a8ea78493015f21",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c38cce70adef874c2a7b5132c14d6c221401deff"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.11",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.11"
            },
            {
              "version": "5.15.221",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.188",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.157",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.110",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.52",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}