{"api_version":"1","generated_at":"2026-05-12T00:56:20+00:00","cve":"CVE-2026-43021","urls":{"html":"https://cve.report/CVE-2026-43021","api":"https://cve.report/api/cve/CVE-2026-43021.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43021","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43021"},"summary":{"title":"Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails\n\nWhen hci_cmd_sync_queue_once() returns with error, the destroy callback\nwill not be called.\n\nFix leaking references / memory on these failures.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-01 15:16:46","updated_at":"2026-05-08 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the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails\n\nWhen hci_cmd_sync_queue_once() returns with error, the destroy callback\nwill not be called.\n\nFix leaking references / memory on these failures."}],"providerMetadata":{"dateUpdated":"2026-05-02T06:14:28.352Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7fd74178d4b16dcf47179da634ea9d7c02e3608b"},{"url":"https://git.kernel.org/stable/c/aca377208e7f7322bf4e107cdec6e7d7e8aa7a88"}],"title":"Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43021","datePublished":"2026-05-01T14:15:24.374Z","dateReserved":"2026-05-01T14:12:55.975Z","dateUpdated":"2026-05-02T06:14:28.352Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-01 15:16:46","lastModifiedDate":"2026-05-08 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hci_sync: fix leaks when hci_cmd_sync_queue_once fail","CVE":"CVE-2026-43021","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43021","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails\n\nWhen hci_cmd_sync_queue_once() returns with error, the destroy callback\nwill not be called.\n\nFix leaking references / memory on these failures.","Type":"Description","Title":"Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fail"}]}}}