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CVE-2026-74301

Estado: RecibidaSin puntuar—

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: btmtk: fix URB leak in alloc_mtk_intr_urb error path

When btmtk_isopkt_pad() fails, the previously allocated URB is not freed, leaking the urb structure. Add usb_free_urb() before returning the error.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-74301",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "ceac1cb0259de682d78f5c784ef8e0b13022e9d9",
              "lessThan": "2643524743b9cc3c6f5f34cde2a8c627d793f21c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "ceac1cb0259de682d78f5c784ef8e0b13022e9d9",
              "lessThan": "7f206a8d8d82296aa2d30bf5f3e5bb73fc44591d",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "ceac1cb0259de682d78f5c784ef8e0b13022e9d9",
              "lessThan": "4e354991da5890d5ce7bfea3f66fb897ae301756",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "ceac1cb0259de682d78f5c784ef8e0b13022e9d9",
              "lessThan": "f396f4005180928cd9e15e352a6512865d3bc908",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/bluetooth/btmtk.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.11"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "6.11",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/bluetooth/btmtk.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-08-15T06:22:29.720",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/2643524743b9cc3c6f5f34cde2a8c627d793f21c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/4e354991da5890d5ce7bfea3f66fb897ae301756",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7f206a8d8d82296aa2d30bf5f3e5bb73fc44591d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f396f4005180928cd9e15e352a6512865d3bc908",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btmtk: fix URB leak in alloc_mtk_intr_urb error path\n\nWhen btmtk_isopkt_pad() fails, the previously allocated URB is not freed,\nleaking the urb structure. Add usb_free_urb() before returning the error."
    }
  ],
  "lastModified": "2026-08-17T06:19:24.220",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}