{"api_version":"1","generated_at":"2026-07-16T10:51:40+00:00","cve":"CVE-2025-39801","urls":{"html":"https://cve.report/CVE-2025-39801","api":"https://cve.report/api/cve/CVE-2025-39801.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-39801","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-39801"},"summary":{"title":"usb: dwc3: Remove WARN_ON for device endpoint command timeouts","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: dwc3: Remove WARN_ON for device endpoint command timeouts\n\nThis commit addresses a rarely observed endpoint command timeout\nwhich causes kernel panic due to warn when 'panic_on_warn' is enabled\nand unnecessary call trace prints when 'panic_on_warn' is disabled.\nIt is seen during fast software-controlled connect/disconnect testcases.\nThe following is one such endpoint command timeout that we observed:\n\n1. Connect\n   =======\n->dwc3_thread_interrupt\n ->dwc3_ep0_interrupt\n  ->configfs_composite_setup\n   ->composite_setup\n    ->usb_ep_queue\n     ->dwc3_gadget_ep0_queue\n      ->__dwc3_gadget_ep0_queue\n       ->__dwc3_ep0_do_control_data\n        ->dwc3_send_gadget_ep_cmd\n\n2. Disconnect\n   ==========\n->dwc3_thread_interrupt\n ->dwc3_gadget_disconnect_interrupt\n  ->dwc3_ep0_reset_state\n   ->dwc3_ep0_end_control_data\n    ->dwc3_send_gadget_ep_cmd\n\nIn the issue scenario, in Exynos platforms, we observed that control\ntransfers for the previous connect have not yet been completed and end\ntransfer command sent as a part of the disconnect sequence and\nprocessing of USB_ENDPOINT_HALT feature request from the host timeout.\nThis maybe an expected scenario since the controller is processing EP\ncommands sent as a part of the previous connect. It maybe better to\nremove WARN_ON in all places where device endpoint commands are sent to\navoid unnecessary kernel panic due to warn.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-09-15 13:15:35","updated_at":"2026-05-12 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the Linux kernel, the following vulnerability has been resolved:\n\nusb: dwc3: Remove WARN_ON for device endpoint command timeouts\n\nThis commit addresses a rarely observed endpoint command timeout\nwhich causes kernel panic due to warn when 'panic_on_warn' is enabled\nand unnecessary call trace prints when 'panic_on_warn' is disabled.\nIt is seen during fast software-controlled connect/disconnect testcases.\nThe following is one such endpoint command timeout that we observed:\n\n1. Connect\n   =======\n->dwc3_thread_interrupt\n ->dwc3_ep0_interrupt\n  ->configfs_composite_setup\n   ->composite_setup\n    ->usb_ep_queue\n     ->dwc3_gadget_ep0_queue\n      ->__dwc3_gadget_ep0_queue\n       ->__dwc3_ep0_do_control_data\n        ->dwc3_send_gadget_ep_cmd\n\n2. Disconnect\n   ==========\n->dwc3_thread_interrupt\n ->dwc3_gadget_disconnect_interrupt\n  ->dwc3_ep0_reset_state\n   ->dwc3_ep0_end_control_data\n    ->dwc3_send_gadget_ep_cmd\n\nIn the issue scenario, in Exynos platforms, we observed that control\ntransfers for the previous connect have not yet been completed and end\ntransfer command sent as a part of the disconnect sequence and\nprocessing of USB_ENDPOINT_HALT feature request from the host timeout.\nThis maybe an expected scenario since the controller is processing EP\ncommands sent as a part of the previous connect. It maybe better to\nremove WARN_ON in all places where device endpoint commands are sent to\navoid unnecessary kernel panic due to warn."}],"providerMetadata":{"dateUpdated":"2026-05-11T21:36:32.006Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/dfe40159eec6ca63b40133bfa783eee2e3ed829f"},{"url":"https://git.kernel.org/stable/c/5a1a847d841505dba2bd85602daf5c218e1d85b8"},{"url":"https://git.kernel.org/stable/c/84c95dbf5bece56086cdb65a64162af35158bdd9"},{"url":"https://git.kernel.org/stable/c/f49697dfba2915a9ff36f94604eb76fa61413929"},{"url":"https://git.kernel.org/stable/c/db27482b9db340402e05d4e9b75352bbaca51af2"},{"url":"https://git.kernel.org/stable/c/45eae113dccaf8e502090ecf5b3d9e9b805add6f"}],"title":"usb: dwc3: Remove WARN_ON for device endpoint command timeouts","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2025-39801","datePublished":"2025-09-15T12:36:43.936Z","dateReserved":"2025-04-16T07:20:57.134Z","dateUpdated":"2026-05-12T12:07:10.119Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-09-15 13:15:35","lastModifiedDate":"2026-05-12 13:17:12","problem_types":["CWE-617"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"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"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.15.190","matchCriteriaId":"F47280F2-824C-4F32-9522-BEC57DD4A405"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.149","matchCriteriaId":"FDBE8280-8983-4D2D-943D-2E6D0104E2D8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.103","matchCriteriaId":"F2293654-7169-49B5-8D0D-EE51EF8B8E48"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.44","matchCriteriaId":"12351F24-1133-4775-960C-F2B47E81298B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.16.4","matchCriteriaId":"AFC28995-B8C3-4B68-8CB6-78E792B6629D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*","matchCriteriaId":"327D22EF-390B-454C-BD31-2ED23C998A1C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*","matchCriteriaId":"C730CD9A-D969-4A8E-9522-162AAF7C0EE9"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*","matchCriteriaId":"FA6FEEC2-9F11-4643-8827-749718254FED"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"39801","Ordinal":"1","Title":"usb: dwc3: Remove WARN_ON for device endpoint command timeouts","CVE":"CVE-2025-39801","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"39801","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: dwc3: Remove WARN_ON for device endpoint command timeouts\n\nThis commit addresses a rarely observed endpoint command timeout\nwhich causes kernel panic due to warn when 'panic_on_warn' is enabled\nand unnecessary call trace prints when 'panic_on_warn' is disabled.\nIt is seen during fast software-controlled connect/disconnect testcases.\nThe following is one such endpoint command timeout that we observed:\n\n1. Connect\n   =======\n->dwc3_thread_interrupt\n ->dwc3_ep0_interrupt\n  ->configfs_composite_setup\n   ->composite_setup\n    ->usb_ep_queue\n     ->dwc3_gadget_ep0_queue\n      ->__dwc3_gadget_ep0_queue\n       ->__dwc3_ep0_do_control_data\n        ->dwc3_send_gadget_ep_cmd\n\n2. Disconnect\n   ==========\n->dwc3_thread_interrupt\n ->dwc3_gadget_disconnect_interrupt\n  ->dwc3_ep0_reset_state\n   ->dwc3_ep0_end_control_data\n    ->dwc3_send_gadget_ep_cmd\n\nIn the issue scenario, in Exynos platforms, we observed that control\ntransfers for the previous connect have not yet been completed and end\ntransfer command sent as a part of the disconnect sequence and\nprocessing of USB_ENDPOINT_HALT feature request from the host timeout.\nThis maybe an expected scenario since the controller is processing EP\ncommands sent as a part of the previous connect. It maybe better to\nremove WARN_ON in all places where device endpoint commands are sent to\navoid unnecessary kernel panic due to warn.","Type":"Description","Title":"usb: dwc3: Remove WARN_ON for device endpoint command timeouts"}]}}}