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CVE-2025-40308 Bluetooth: bcsp: receive data only if registered

🗓️ 08 Dec 2025 00:46:33Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

Bluetooth bcsp now processes data only after registration to prevent null pointer dereference.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/bluetooth/hci_bcsp.c"
    ],
    "versions": [
      {
        "version": "48effdb7a798232db945503cf3f51e0be8070cea",
        "lessThan": "39a7d40314b6288cfa2d13269275e9247a7a055a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "45fa7bd82c6178f4fec0ab94891144a043ec5fe8",
        "lessThan": "164586725b47f9d61912e6bf17dbaffeff11710b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d71a57a34ab6bbc95dc461158403c02e8ff3f912",
        "lessThan": "b65ca9708bfbf47d8b7bd44b7c574bd16798e9c9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9cf7dccaa7f4c56d2089700e5cb11f85a8d5f6cf",
        "lessThan": "8b892dbef3887dbe9afdc7176d1a5fd90e1636aa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "806464634e7fc6b523160defeeddb1ade2a72f81",
        "lessThan": "799cd62cbcc3f12ee04b33ef390ff7d41c37d671",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6b7a32fa9bacdebd98c18b2a56994116995ee643",
        "lessThan": "b420a4c7f915fc1c94ad1f6ca740acc046d94334",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "366ceff495f902182d42b6f41525c2474caf3f9a",
        "lessThan": "55c1519fca830f59a10bbf9aa8209c87b06cf7bc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "366ceff495f902182d42b6f41525c2474caf3f9a",
        "lessThan": "ca94b2b036c22556c3a66f1b80f490882deef7a6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "15543b7bbe7b5f744fdbb44f75b14f81a0117813",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a4b89a45b12b69bc82c8137346b150a118e02c26",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.4.293",
        "lessThan": "5.4.302",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.10.237",
        "lessThan": "5.10.247",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.181",
        "lessThan": "5.15.197",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.135",
        "lessThan": "6.1.159",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.88",
        "lessThan": "6.6.117",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.24",
        "lessThan": "6.12.58",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.13.12",
        "lessThan": "6.14",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.14.3",
        "lessThan": "6.15",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/bluetooth/hci_bcsp.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.302",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.247",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.197",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.159",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.117",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.58",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.8",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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