CVE-2025-40284
Published: Dec 6, 2025
Modified: May 11, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: cancel mesh send timer when hdev removed mesh_send_done timer is not canceled when hdev is removed, which causes crash if the timer triggers after hdev is gone. Cancel the timer when MGMT removes the hdev, like other MGMT timers. Should fix the BUG: sporadically seen by BlueZ test bot (in "Mesh - Send cancel - 1" test). Log: ------ BUG: KASAN: slab-use-after-free in run_timer_softirq+0x76b/0x7d0 ... Freed by task 36: kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x43/0x70 kfree+0x103/0x500 device_release+0x9a/0x210 kobject_put+0x100/0x1e0 vhci_release+0x18b/0x240 ------
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected b338d91703fae6f6afd67f3f75caa3b8f36ddef3 - < 990e6143b0ca0c66f099d67d00c112bf59b30d76affected b338d91703fae6f6afd67f3f75caa3b8f36ddef3 - < 2927ff643607eddf4f03d10ef80fe10d977154aaaffected b338d91703fae6f6afd67f3f75caa3b8f36ddef3 - < 7b6b6c077cad0601d62c3c34ab7ce3fb25deda7baffected b338d91703fae6f6afd67f3f75caa3b8f36ddef3 - < fd62ca5ad136dcf6f5aa308423b299a6be6f54eaaffected b338d91703fae6f6afd67f3f75caa3b8f36ddef3 - < 55fb52ffdd62850d667ebed842815e072d3c9961 |
Linux | Linux | affected 6.1unaffected 0 - < 6.1unaffected 6.1.159 - <= 6.1.*unaffected 6.6.117 - <= 6.6.*unaffected 6.12.59 - <= 6.12.*+2 more versions |
References
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