{
  "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-2025-40085",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-40085",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-29T13:37:04.707Z",
    "updatedAt": "2026-05-23T16:01:24.342Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "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: usb-audio: Fix NULL pointer deference in try_to_register_card",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Fix NULL pointer deference in try_to_register_card\n\nIn try_to_register_card(), the return value of usb_ifnum_to_if() is\npassed directly to usb_interface_claimed() without a NULL check, which\nwill lead to a NULL pointer dereference when creating an invalid\nUSB audio device. Fix this by adding a check to ensure the interface\npointer is valid before passing it to usb_interface_claimed().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "28787ff9fbeaf57684eb64cc33e2ec8ceedf21b5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "736159f7b296d7a95f7208eb4799639b1f8b16a0"
            },
            {
              "version": "39efc9c8a973ddff5918191525d1679d0fb368ea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8d19a7ab28c7b9c207db5c5282afa8cc8595bcdb"
            },
            {
              "version": "39efc9c8a973ddff5918191525d1679d0fb368ea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "576312eb436326b44b7010f4d9ae2b698df075ea"
            },
            {
              "version": "39efc9c8a973ddff5918191525d1679d0fb368ea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bba7208765d26e5e36b87f21dacc2780b064f41f"
            },
            {
              "version": "39efc9c8a973ddff5918191525d1679d0fb368ea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8503ac1a62075a085402e42a386b5c627c821a51"
            },
            {
              "version": "39efc9c8a973ddff5918191525d1679d0fb368ea",
              "status": "affected",
              "versionType": "git",
              "lessThan": "28412b489b088fb88dff488305fd4e56bd47f6e4"
            },
            {
              "version": "9d4f4dc3cd38e412c29a7626489fe48b79ebbf6c",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "52076a41c128146c9df4a157e972cb17019313b1",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.15.75",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.196"
            },
            {
              "version": "5.19.17",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.20"
            },
            {
              "version": "6.0.3",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.1",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.1"
            },
            {
              "version": "5.15.196",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.158",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.114",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.55",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.17.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.17.*"
            },
            {
              "version": "6.18",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}