{
  "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-2026-93083",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-93083",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-17T16:11:02.997Z",
    "updatedAt": "2026-10-21T12:51:50.003Z",
    "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": "firmware: arm_scmi: Unwind TX receiver mailbox setup failure",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Unwind TX receiver mailbox setup failure\n\nmailbox_chan_setup() can request an additional unidirectional TX\nreceiver channel after successfully acquiring the primary channel. If\nthat second request fails, the function returns immediately and leaves\nthe primary channel allocated.\n\nUnwind the primary mailbox channel before returning the error so probe\ndeferral or other setup failures do not leave the channel busy for later\nprobe attempts.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "9f68ff79ec2cb303f360a35eef5dd8f1f0f817e1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d4cf99c7ea95accde58df34bc8636bbebb3066c2"
            },
            {
              "version": "9f68ff79ec2cb303f360a35eef5dd8f1f0f817e1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "babb017cf5e4600c94c23ea87175a0380235a3ee"
            },
            {
              "version": "9f68ff79ec2cb303f360a35eef5dd8f1f0f817e1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "717b8e972a667fc1bebe63cbcf0d58e692cbb491"
            },
            {
              "version": "9f68ff79ec2cb303f360a35eef5dd8f1f0f817e1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9958f55eace8b43713c9fc54dcf90e7cdefee413"
            },
            {
              "version": "9f68ff79ec2cb303f360a35eef5dd8f1f0f817e1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6f7c06744d53dc8e047725d411d7f915d9ec35ae"
            }
          ]
        },
        {
          "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": "6.12.110",
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}