CVE-2025-38641 (GCVE-0-2025-38641)

Vulnerability from cvelistv5 – Published: 2025-08-22 16:00 – Updated: 2026-05-11 21:32
VLAI
Title
Bluetooth: btusb: Fix potential NULL dereference on kmalloc failure
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: Fix potential NULL dereference on kmalloc failure Avoid potential NULL pointer dereference by checking the return value of kmalloc and handling allocation failure properly.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7034 records in the last 180 days details
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 7d70989fcea7f79afe018a7e34d3486406c7a94e , < 5029d80bfc30b60ff57c70ccb04e027acb404f6a (git)
Affected: 7d70989fcea7f79afe018a7e34d3486406c7a94e , < b505902c66a282dcb01bcdc015aa1fdfaaa075db (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.16
Unaffected: 0 , < 6.16 (semver)
Unaffected: 6.16.1 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

{
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          "programFiles": [
            "drivers/bluetooth/btusb.c"
          ],
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              "status": "unaffected",
              "version": "6.17",
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            }
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: Fix potential NULL dereference on kmalloc failure\n\nAvoid potential NULL pointer dereference by checking the return value of\nkmalloc and handling allocation failure properly."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:32:09.002Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "title": "Bluetooth: btusb: Fix potential NULL dereference on kmalloc failure",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38641",
    "datePublished": "2025-08-22T16:00:47.492Z",
    "dateReserved": "2025-04-16T04:51:24.030Z",
    "dateUpdated": "2026-05-11T21:32:09.002Z",
    "state": "PUBLISHED"
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                ],
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            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "configurations": [
          {
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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: Fix potential NULL dereference on kmalloc failure\n\nAvoid potential NULL pointer dereference by checking the return value of\nkmalloc and handling allocation failure properly."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: btusb: corrige la posible desreferencia de NULL en caso de falla de kmalloc. Evita la posible desreferencia de puntero NULL comprobando el valor de retorno de kmalloc y manejando la falla de asignaci\u00f3n de forma adecuada."
          }
        ],
        "id": "CVE-2025-38641",
        "lastModified": "2026-06-17T09:17:17.187",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
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        "vulnStatus": "Analyzed",
        "weaknesses": [
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      "current_release_date": "2026-06-30T01:13:57+00:00",
      "cve": "CVE-2025-38641",
      "id": "CVE-2025-38641",
      "initial_release_date": "2025-08-22T00:00:00+00:00",
      "product_status:known_affected": "198",
      "product_status:known_not_affected": "76",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Bluetooth: btusb: Fix potential NULL dereference on kmalloc failure",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-38641.json",
      "version": "3"
    }
  }
}



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