FKIE_CVE-2026-53251

Vulnerability from fkie_nvd - Published: 2026-06-25 09:16 - Updated: 2026-06-30 14:44
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync hci_get_route() returns a reference-counted hci_dev pointer via hci_dev_hold(). The function exits normally or with an error without ever releasing it.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/23e8eb16820b866528fb300dc67fe3f67f00ef62
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/33d677d2e3713d98012c3dbd4a9207f7d785b854
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4bbec25f47b930101294fd310c627c3f53e9661f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5cbf290b79351971f20c7a533247e8d58a3f970c
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/bluetooth/iso.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4bbec25f47b930101294fd310c627c3f53e9661f",
              "status": "affected",
              "version": "1360e5b6ce63d63d23223a659ca2bbafa30a53aa",
              "versionType": "git"
            },
            {
              "lessThan": "33d677d2e3713d98012c3dbd4a9207f7d785b854",
              "status": "affected",
              "version": "07a9342b94a91b306ed1cf6aa8254aea210764c9",
              "versionType": "git"
            },
            {
              "lessThan": "23e8eb16820b866528fb300dc67fe3f67f00ef62",
              "status": "affected",
              "version": "07a9342b94a91b306ed1cf6aa8254aea210764c9",
              "versionType": "git"
            },
            {
              "lessThan": "5cbf290b79351971f20c7a533247e8d58a3f970c",
              "status": "affected",
              "version": "07a9342b94a91b306ed1cf6aa8254aea210764c9",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "bfec1e55314896bf4a4cfdb3a9ad4872be9f06ed",
              "versionType": "git"
            },
            {
              "lessThan": "6.12.94",
              "status": "affected",
              "version": "6.12.2",
              "versionType": "semver"
            },
            {
              "lessThan": "6.12",
              "status": "affected",
              "version": "6.11.11",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/bluetooth/iso.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.13"
            },
            {
              "lessThan": "6.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.94",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.36",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.13",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync\n\nhci_get_route() returns a reference-counted hci_dev pointer via\nhci_dev_hold(). The function exits normally or with an error without ever\nreleasing it."
    }
  ],
  "id": "CVE-2026-53251",
  "lastModified": "2026-06-30T14:44:27.313",
  "metrics": {},
  "published": "2026-06-25T09:16:43.047",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/23e8eb16820b866528fb300dc67fe3f67f00ef62"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/33d677d2e3713d98012c3dbd4a9207f7d785b854"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4bbec25f47b930101294fd310c627c3f53e9661f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5cbf290b79351971f20c7a533247e8d58a3f970c"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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