{
  "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-2026-74683",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-74683",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-08-22T15:32:50.192Z",
    "updatedAt": "2026-08-25T05:23:19.336Z",
    "importedAt": "2026-10-24T01:58:30.346Z",
    "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": "Input: evdev - sanitize event type index when fetching event masks",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: evdev - sanitize event type index when fetching event masks\n\nThe user-supplied event type index passed to EVIOCGMASK / EVIOCSMASK\nioctls is used to index the static counts array in evdev_get_mask_cnt()\nand client evmasks array in evdev_get_mask().\n\nWhile the event type is architecturally bounded by EV_CNT, speculative\nexecution may mispredict bounds checks and perform out-of-bounds loads.\n\nSanitize the event type index in evdev_get_mask_cnt() branchlessly using\narray_index_mask_nospec(). This clamps the index to 0 for safe array\naccess and forces the returned count to 0 speculatively when the index\nis out of bounds.\n\nWe do not need additional array_index_nospec() calls in evdev_get_mask()\nbecause evdev_get_mask_cnt() speculatively forces the count (and\nresulting xfer_size) to 0 for out-of-bounds types, preventing any\nspeculative memory access to client evmasks array.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "06a16293f71927f756dcf37558a79c0b05a91641",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c79b08d8fa230871a3634e34a66e591ac2d084ef"
            },
            {
              "version": "06a16293f71927f756dcf37558a79c0b05a91641",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f27fa9b39f925d26e034a1f382cb45523138f4ae"
            },
            {
              "version": "06a16293f71927f756dcf37558a79c0b05a91641",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f3fc329acad9a71b3c077237cbac20670d2358c8"
            },
            {
              "version": "06a16293f71927f756dcf37558a79c0b05a91641",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5db341189bb7ff041d570dbe36ecca7e32913927"
            },
            {
              "version": "06a16293f71927f756dcf37558a79c0b05a91641",
              "status": "affected",
              "versionType": "git",
              "lessThan": "433913b4a92214d76e9f0c03ad9128fec943d5f8"
            },
            {
              "version": "06a16293f71927f756dcf37558a79c0b05a91641",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4034ef247a9dde3f56660b01f0c3280dac6b1274"
            },
            {
              "version": "06a16293f71927f756dcf37558a79c0b05a91641",
              "status": "affected",
              "versionType": "git",
              "lessThan": "810e1883d4815f29c30d900ad7333d03cc2515d1"
            },
            {
              "version": "06a16293f71927f756dcf37558a79c0b05a91641",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3abd29c61d2ef37c4102cf755b18be53bb9dbea6"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.4"
            },
            {
              "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": "6.6.152",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.104",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.45",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}