{"api_version":"1","generated_at":"2026-07-14T00:46:26+00:00","cve":"CVE-2026-53251","urls":{"html":"https://cve.report/CVE-2026-53251","api":"https://cve.report/api/cve/CVE-2026-53251.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53251","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53251"},"summary":{"title":"Bluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync","description":"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(). 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16:51:26"},"problem_types":["CWE-772"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/4bbec25f47b930101294fd310c627c3f53e9661f","name":"https://git.kernel.org/stable/c/4bbec25f47b930101294fd310c627c3f53e9661f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/33d677d2e3713d98012c3dbd4a9207f7d785b854","name":"https://git.kernel.org/stable/c/33d677d2e3713d98012c3dbd4a9207f7d785b854","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5cbf290b79351971f20c7a533247e8d58a3f970c","name":"https://git.kernel.org/stable/c/5cbf290b79351971f20c7a533247e8d58a3f970c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/23e8eb16820b866528fb300dc67fe3f67f00ef62","name":"https://git.kernel.org/stable/c/23e8eb16820b866528fb300dc67fe3f67f00ef62","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53251","name":"CVE 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The function exits normally or with an error without ever\nreleasing it.","Type":"Description","Title":"Bluetooth: ISO: Fix not releasing hdev reference on iso_conn_big"}]}}}