{
  "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-2024-26801",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-26801",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-04-04T08:20:29.211Z",
    "updatedAt": "2026-08-05T11:27:22.708Z",
    "importedAt": "2026-10-24T01:57:07.518Z",
    "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": "Bluetooth: Avoid potential use-after-free in hci_error_reset",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Avoid potential use-after-free in hci_error_reset\n\nWhile handling the HCI_EV_HARDWARE_ERROR event, if the underlying\nBT controller is not responding, the GPIO reset mechanism would\nfree the hci_dev and lead to a use-after-free in hci_error_reset.\n\nHere's the call trace observed on a ChromeOS device with Intel AX201:\n   queue_work_on+0x3e/0x6c\n   __hci_cmd_sync_sk+0x2ee/0x4c0 [bluetooth <HASH:3b4a6>]\n   ? init_wait_entry+0x31/0x31\n   __hci_cmd_sync+0x16/0x20 [bluetooth <HASH:3b4a 6>]\n   hci_error_reset+0x4f/0xa4 [bluetooth <HASH:3b4a 6>]\n   process_one_work+0x1d8/0x33f\n   worker_thread+0x21b/0x373\n   kthread+0x13a/0x152\n   ? pr_cont_work+0x54/0x54\n   ? kthread_blkcg+0x31/0x31\n    ret_from_fork+0x1f/0x30\n\nThis patch holds the reference count on the hci_dev while processing\na HCI_EV_HARDWARE_ERROR event to avoid potential crash.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e0b278650f07acf2e0932149183458468a731c03"
            },
            {
              "version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "98fb98fd37e42fd4ce13ff657ea64503e24b6090"
            },
            {
              "version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6dd0a9dfa99f8990a08eb8fdd8e79bee31c7d8e2"
            },
            {
              "version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "da4569d450b193e39e87119fd316c0291b585d14"
            },
            {
              "version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "45085686b9559bfbe3a4f41d3d695a520668f5e1"
            },
            {
              "version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2ab9a19d896f5a0dd386e1f001c5309bc35f433b"
            },
            {
              "version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dd594cdc24f2e48dab441732e6dfcafd6b0711d1"
            },
            {
              "version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2449007d3f73b2842c9734f45f0aadb522daf592"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.0"
            },
            {
              "version": "4.19.309",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.271",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.212",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.151",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.81",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.21",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.7.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.7.*"
            },
            {
              "version": "6.8",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}