{
  "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-2026-68401",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-68401",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-08-10T12:04:21.020Z",
    "updatedAt": "2026-10-21T12:43:59.902Z",
    "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": "firmware: arm_ffa: Fix out-of-bound writes in ffa_setup_and_transmit()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_ffa: Fix out-of-bound writes in ffa_setup_and_transmit()\n\nSashiko (locally) reports multiple out-of-bound issues in\nffa_setup_and_transmit:\n1) Writing ep_mem_access->reserved can write out of bounds for FFA\n   versions < 1.2 as ffa_emad_size_get() returns 16 bytes in that case\n   while reserved has an offset of 24.\n   Instead of zeroing fields, memset the struct to zero first based on\n   the FFA version.\n\n2) Make sure there is enough size to write constituents.\n\nWhile at it, convert the only sizeof() in the driver that uses a\ntype instead of variable.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "111a833dc5cbef3d05b2a796a7e23cb7f6ff2192",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d312a71b19bb83803c8d1372bc042bd36db657f7"
            },
            {
              "version": "111a833dc5cbef3d05b2a796a7e23cb7f6ff2192",
              "status": "affected",
              "versionType": "git",
              "lessThan": "00bef9d0f9e787f56ff4699d3b577983ff8b7f24"
            },
            {
              "version": "111a833dc5cbef3d05b2a796a7e23cb7f6ff2192",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cf5708c9d78c98214c62b1e5d049cd527a543b8e"
            },
            {
              "version": "111a833dc5cbef3d05b2a796a7e23cb7f6ff2192",
              "status": "affected",
              "versionType": "git",
              "lessThan": "27abdaf0c5c89b06694e4c3d8318e8d6a60c1d1b"
            },
            {
              "version": "111a833dc5cbef3d05b2a796a7e23cb7f6ff2192",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3383ffb7ef937317361713ffcc21921a7848511a"
            },
            {
              "version": "28ebfb74fbf513e0c7cd2674d8c2400ee0220d18",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "22157f74458106c5900dbd938eb44623c22d97a0",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "b77ec23b6df41c48e88735230e11caec56163630",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.15.114",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.16"
            },
            {
              "version": "6.1.31",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.2"
            },
            {
              "version": "6.3.5",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.4"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.4"
            },
            {
              "version": "6.6.160",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.114",
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}