Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER When protocol sets HCI_PROTO_DEFER, hci_conn_request_evt() calls hci_connect_cfm(conn) without hdev->lock. Generally hci_connect_cfm() assumes it is held, and if conn is deleted concurrently -> UAF. Only SCO and ISO set HCI_PROTO_DEFER and only for defer setup listen, and HCI_EV_CONN_REQUEST is not generated for ISO. In the non-deferred listening socket code paths, hci_connect_cfm(conn) is called with hdev->lock held. Fix by holding the lock.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 70c464256310e1c3716099b9d02ece4169272f73 before 60e3f4ff02d1f2d55bfbf2ca32a97285a9771ee4; affected 70c464256310e1c3716099b9d02ece4169272f73 before 9d4a6c0f43fc5e4d4f062e8e450e5483eb74176e; affected 70c464256310e1c3716099b9d02ece4169272f73 before c7777f534a8018ae4bb1c80d8925af4df588a314; affected 70c464256310e1c3716099b9d02ece4169272f73 before 6b4d226d01ab7da0d2027a2a1e3a6079152e5065; affected 70c464256310e1c3716099b9d02ece4169272f73 before 541d5bf9b5afaf41090b2a3aa7b47f2db2ff801f; affected 70c464256310e1c3716099b9d02ece4169272f73 before 385b2d0468a0871fc716c549fa3b0c257c7dbcb3; affected 70c464256310e1c3716099b9d02ece4169272f73 before c27224daf0b08efbb2b24ed64b6139b294f5473a; affected 70c464256310e1c3716099b9d02ece4169272f73 before 5c7209a341ff2ac338b2b0375c34a307b37c9ac2 |
| Linux / Linux | affected 3.17; unaffected 0 before 3.17; unaffected 5.10.258 through 5.10.*; unaffected 5.15.209 through 5.15.*; unaffected 6.1.175 through 6.1.*; unaffected 6.6.141 through 6.6.*; unaffected 6.12.91 through 6.12.*; unaffected 6.18.33 through 6.18.*; unaffected 7.0.10 through 7.0.*; unaffected 7.1 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/60e3f4ff02d1f2d55bfbf2ca32a97285a9771ee4
- https://git.kernel.org/stable/c/9d4a6c0f43fc5e4d4f062e8e450e5483eb74176e
- https://git.kernel.org/stable/c/c7777f534a8018ae4bb1c80d8925af4df588a314
- https://git.kernel.org/stable/c/6b4d226d01ab7da0d2027a2a1e3a6079152e5065
- https://git.kernel.org/stable/c/541d5bf9b5afaf41090b2a3aa7b47f2db2ff801f
- https://git.kernel.org/stable/c/385b2d0468a0871fc716c549fa3b0c257c7dbcb3
- https://git.kernel.org/stable/c/c27224daf0b08efbb2b24ed64b6139b294f5473a
- https://git.kernel.org/stable/c/5c7209a341ff2ac338b2b0375c34a307b37c9ac2
ADP enrichment
No English description supplied.
No references supplied.