{"id":"CVE-2025-40283","revision":"d8446bf740594044b0715545469e4d9a","records":[{"revision":"d8446bf740594044b0715545469e4d9a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-40283","aliases":[],"title":"Bluetooth: btusb: reorder cleanup in btusb_disconnect to avoid UAF","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btusb: reorder cleanup in btusb_disconnect to avoid UAF\n\nThere is a KASAN: slab-use-after-free read in btusb_disconnect().\nCalling \"usb_driver_release_interface(&btusb_driver, data->intf)\" will\nfree the btusb data associated with the interface. The same data is\nthen used later in the function, hence the UAF.\n\nFix by moving the accesses to btusb data to before the data is free'd.","state":0,"publishedAt":"2025-12-06T21:51:07.409+00:00","modifiedAt":"2026-10-15T22:02:42.513+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/bluetooth/btusb.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"fd913ef7ce619467c6b0644af48ba1fec499c623\",\n                            \"lessThan\": \"297dbf87989e09af98f81f2bcb938041785557e8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd913ef7ce619467c6b0644af48ba1fec499c623\",\n                            \"lessThan\": \"f858f004bc343a7ae9f2533bbb2a3ab27428532f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd913ef7ce619467c6b0644af48ba1fec499c623\",\n                            \"lessThan\": \"7a6d1e740220ff9dfcb6a8c994d6ba49e76db198\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd913ef7ce619467c6b0644af48ba1fec499c623\",\n                            \"lessThan\": \"5dc00065a0496c36694afe11e52a5bc64524a9b8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd913ef7ce619467c6b0644af48ba1fec499c623\",\n                            \"lessThan\": \"1c28c1e1522c773a94e26950ffb145e88cd9834b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd913ef7ce619467c6b0644af48ba1fec499c623\",\n                            \"lessThan\": \"95b9b98c93b1c0916a3d4cf4540b7f5d69145a0d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd913ef7ce619467c6b0644af48ba1fec499c623\",\n                            \"lessThan\": \"a2610ecd9fd5708be8997ca8f033e4200c0bb6af\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fd913ef7ce619467c6b0644af48ba1fec499c623\",\n                            \"lessThan\": \"23d22f2f71768034d6ef86168213843fc49bf550\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/bluetooth/btusb.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.11\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.11\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.302\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.247\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.197\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.159\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.117\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.59\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.17.9\",\n                            \"lessThanOrEqual\": \"6.17.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/297dbf87989e09af98f81f2bcb938041785557e8","https://git.kernel.org/stable/c/f858f004bc343a7ae9f2533bbb2a3ab27428532f","https://git.kernel.org/stable/c/7a6d1e740220ff9dfcb6a8c994d6ba49e76db198","https://git.kernel.org/stable/c/5dc00065a0496c36694afe11e52a5bc64524a9b8","https://git.kernel.org/stable/c/1c28c1e1522c773a94e26950ffb145e88cd9834b","https://git.kernel.org/stable/c/95b9b98c93b1c0916a3d4cf4540b7f5d69145a0d","https://git.kernel.org/stable/c/a2610ecd9fd5708be8997ca8f033e4200c0bb6af","https://git.kernel.org/stable/c/23d22f2f71768034d6ef86168213843fc49bf550"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-40283","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-40283","identifiers":["CVE-2025-40283"]},"retained":false,"historicalAffected":[]}],"coverage":[]}