{
  "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-2026-31701",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31701",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-01T13:56:00.869Z",
    "updatedAt": "2026-06-14T17:43:40.642Z",
    "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": "ALSA: caiaq: take a reference on the USB device in create_card()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: caiaq: take a reference on the USB device in create_card()\n\nThe caiaq driver stores a pointer to the parent USB device in\ncdev->chip.dev but never takes a reference on it. The card's\nprivate_free callback, snd_usb_caiaq_card_free(), can run\nasynchronously via snd_card_free_when_closed() after the USB\ndevice has already been disconnected and freed, so any access to\ncdev->chip.dev in that path dereferences a freed usb_device.\n\nOn top of the refcounting issue, the current card_free implementation\ncalls usb_reset_device(cdev->chip.dev). A reset in a free callback\nis inappropriate: the device is going away, the call takes the\ndevice lock in a teardown context, and the reset races with the\ndisconnect path that the callback is already cleaning up after.\n\nTake a reference on the USB device in create_card() with\nusb_get_dev(), drop it with usb_put_dev() in the free callback,\nand remove the usb_reset_device() call.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4dd821dcbfcecf7af6a08370b0b217cde2818acf",
              "status": "affected",
              "versionType": "git",
              "lessThan": "493b3a682ededc804555755f5d2193201339612d"
            },
            {
              "version": "cadf1d8e9ddcd74584ec961aeac14ac549b261d8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dbcf7588e8dea017ddb3f18ec2766f7d2e5f2a0e"
            },
            {
              "version": "237f3faf0177bdde728fa3106d730d806436aa4d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ac7345f68cda6989016d85d63f7b244c064aa8f6"
            },
            {
              "version": "4507a8b9b30344c5ddd8219945f446d47e966a6d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f6634af5de728a46792f674a66d7843570cb68f7"
            },
            {
              "version": "a3f9314752dbb6f6aa1f0f2b4c58243bda800738",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1d9be95aee6c6246a21752e60c9519902649f482"
            },
            {
              "version": "b04dcbb7f7b1908806b7dc22671cdbe78ff2b82c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6473ed16df1fe88051140611b3eb9a49be7f429e"
            },
            {
              "version": "b04dcbb7f7b1908806b7dc22671cdbe78ff2b82c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "59b622a043cffc58b7638cd85ae6c30a0904f8e6"
            },
            {
              "version": "b04dcbb7f7b1908806b7dc22671cdbe78ff2b82c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "80bb50e2d459213cccff3111d5ef98ed4238c0d5"
            },
            {
              "version": "3993edf44d3df7b6e8c753eac6ac8783473fcbab",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "ebad462eec93b0f701dfe4de98990e7355283801",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "dd0de8cb708951cebf727aa045e8242ba651bb52",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.10.231",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.10.258"
            },
            {
              "version": "5.15.174",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.209"
            },
            {
              "version": "6.1.120",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.175"
            },
            {
              "version": "6.6.64",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.136"
            },
            {
              "version": "6.12.2",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12.84"
            },
            {
              "version": "4.19.325",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.20"
            },
            {
              "version": "5.4.287",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.5"
            },
            {
              "version": "6.11.11",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.13",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.13"
            },
            {
              "version": "5.10.258",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.209",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.175",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.136",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.84",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.25",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}