{
  "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-2026-31754",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31754",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-01T14:14:45.628Z",
    "updatedAt": "2026-05-11T22:15:10.071Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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": "usb: cdns3: gadget: fix state inconsistency on gadget init failure",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: gadget: fix state inconsistency on gadget init failure\n\nWhen cdns3_gadget_start() fails, the DRD hardware is left in gadget mode\nwhile software state remains INACTIVE, creating hardware/software state\ninconsistency.\n\nWhen switching to host mode via sysfs:\n  echo host > /sys/class/usb_role/13180000.usb-role-switch/role\n\nThe role state is not set to CDNS_ROLE_STATE_ACTIVE due to the error,\nso cdns_role_stop() skips cleanup because state is still INACTIVE.\nThis violates the DRD controller design specification (Figure22),\nwhich requires returning to idle state before switching roles.\n\nThis leads to a synchronous external abort in xhci_gen_setup() when\nsetting up the host controller:\n\n[  516.440698] configfs-gadget 13180000.usb: failed to start g1: -19\n[  516.442035] cdns-usb3 13180000.usb: Failed to add gadget\n[  516.443278] cdns-usb3 13180000.usb: set role 2 has failed\n...\n[ 1301.375722] xhci-hcd xhci-hcd.1.auto: xHCI Host Controller\n[ 1301.377716] Internal error: synchronous external abort: 96000010 [#1] PREEMPT SMP\n[ 1301.382485] pc : xhci_gen_setup+0xa4/0x408\n[ 1301.393391] backtrace:\n    ...\n    xhci_gen_setup+0xa4/0x408    <-- CRASH\n    xhci_plat_setup+0x44/0x58\n    usb_add_hcd+0x284/0x678\n    ...\n    cdns_role_set+0x9c/0xbc        <-- Role switch\n\nFix by calling cdns_drd_gadget_off() in the error path to properly\nclean up the DRD gadget state.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7733f6c32e36ff9d7adadf40001039bf219b1cbe",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fb7110a052467098967284ef14d306810b354937"
            },
            {
              "version": "7733f6c32e36ff9d7adadf40001039bf219b1cbe",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9b1d301fbae837bf6979a19030b81d869bb15f7a"
            },
            {
              "version": "7733f6c32e36ff9d7adadf40001039bf219b1cbe",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cfca84f5986afceb63a3adf39d4a98e915aebbc2"
            },
            {
              "version": "7733f6c32e36ff9d7adadf40001039bf219b1cbe",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c7e475ae3a5593c5db21b3b7dca4ba8bdac9b47f"
            },
            {
              "version": "7733f6c32e36ff9d7adadf40001039bf219b1cbe",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5a85599ca4d2584d89dc69f4fc49303b75a42338"
            },
            {
              "version": "7733f6c32e36ff9d7adadf40001039bf219b1cbe",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b490f0e477d26d29ed51e5dc47e3b9bd31bcb49f"
            },
            {
              "version": "7733f6c32e36ff9d7adadf40001039bf219b1cbe",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c32f8748d70c8fc77676ad92ed76cede17bf2c48"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.4"
            },
            {
              "version": "5.15.203",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.168",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.134",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.81",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.22",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}