{"id":"CVE-2025-40284","revision":"c60a85858f3c44699b0bee2876a1014d","records":[{"revision":"c60a85858f3c44699b0bee2876a1014d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-40284","aliases":[],"title":"Bluetooth: MGMT: cancel mesh send timer when hdev removed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: cancel mesh send timer when hdev removed\n\nmesh_send_done timer is not canceled when hdev is removed, which causes\ncrash if the timer triggers after hdev is gone.\n\nCancel the timer when MGMT removes the hdev, like other MGMT timers.\n\nShould fix the BUG: sporadically seen by BlueZ test bot\n(in \"Mesh - Send cancel - 1\" test).\n\nLog:\n------\nBUG: KASAN: slab-use-after-free in run_timer_softirq+0x76b/0x7d0\n...\nFreed by task 36:\n kasan_save_stack+0x24/0x50\n kasan_save_track+0x14/0x30\n __kasan_save_free_info+0x3a/0x60\n __kasan_slab_free+0x43/0x70\n kfree+0x103/0x500\n device_release+0x9a/0x210\n kobject_put+0x100/0x1e0\n vhci_release+0x18b/0x240\n------","state":0,"publishedAt":"2025-12-06T21:51:08.488+00:00","modifiedAt":"2026-10-15T22:02:42.643+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                        \"net/bluetooth/mgmt.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"b338d91703fae6f6afd67f3f75caa3b8f36ddef3\",\n                            \"lessThan\": \"990e6143b0ca0c66f099d67d00c112bf59b30d76\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b338d91703fae6f6afd67f3f75caa3b8f36ddef3\",\n                            \"lessThan\": \"2927ff643607eddf4f03d10ef80fe10d977154aa\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b338d91703fae6f6afd67f3f75caa3b8f36ddef3\",\n                            \"lessThan\": \"7b6b6c077cad0601d62c3c34ab7ce3fb25deda7b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b338d91703fae6f6afd67f3f75caa3b8f36ddef3\",\n                            \"lessThan\": \"fd62ca5ad136dcf6f5aa308423b299a6be6f54ea\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b338d91703fae6f6afd67f3f75caa3b8f36ddef3\",\n                            \"lessThan\": \"55fb52ffdd62850d667ebed842815e072d3c9961\",\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                        \"net/bluetooth/mgmt.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.1\",\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/990e6143b0ca0c66f099d67d00c112bf59b30d76","https://git.kernel.org/stable/c/2927ff643607eddf4f03d10ef80fe10d977154aa","https://git.kernel.org/stable/c/7b6b6c077cad0601d62c3c34ab7ce3fb25deda7b","https://git.kernel.org/stable/c/fd62ca5ad136dcf6f5aa308423b299a6be6f54ea","https://git.kernel.org/stable/c/55fb52ffdd62850d667ebed842815e072d3c9961"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-40284","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-40284","identifiers":["CVE-2025-40284"]},"retained":false,"historicalAffected":[]}],"coverage":[]}