CVE-2025-40318
Published: Dec 8, 2025
Modified: May 23, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: fix race in hci_cmd_sync_dequeue_once hci_cmd_sync_dequeue_once() does lookup and then cancel the entry under two separate lock sections. Meanwhile, hci_cmd_sync_work() can also delete the same entry, leading to double list_del() and "UAF". Fix this by holding cmd_sync_work_lock across both lookup and cancel, so that the entry cannot be removed concurrently.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected f00f36db76eb8fd10d13e80e2590f23b5beaa54d - < 0a94f7e017438935c09ef833a1aa908ad9875213affected 1499f79995c7ee58e3bfeeff75f6d1b37dcda881 - < 932c0a4f77ac13e526fdd5b42914d29c9821d389affected 505ea2b295929e7be2b4e1bc86ee31cb7862fb01 - < ae76cf6c2c842944c6514c57df54d728f1916553affected 505ea2b295929e7be2b4e1bc86ee31cb7862fb01 - < 9cd536970192b72257afcdfba0bfc09993e6f19caffected 505ea2b295929e7be2b4e1bc86ee31cb7862fb01 - < 09b0cd1297b4dbfe736aeaa0ceeab2265f47f772+4 more versions |
Linux | Linux | affected 6.9unaffected 0 - < 6.9unaffected 6.1.159 - <= 6.1.*unaffected 6.6.117 - <= 6.6.*unaffected 6.12.58 - <= 6.12.*+2 more versions |
References
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