{"schema_version":"1.9.0","id":"CVE-2024-36893","published":"2024-05-30T15:28:59.113Z","modified":"2026-08-12T03:51:14.618825957Z","related":["SUSE-SU-2024:2008-1","SUSE-SU-2024:2019-1","SUSE-SU-2024:2135-1","SUSE-SU-2024:2190-1","SUSE-SU-2024:2203-1","SUSE-SU-2024:2973-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1","SUSE-SU-2025:20166-1","SUSE-SU-2025:20249-1"],"summary":"usb: typec: tcpm: Check for port partner validity before consuming it","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: Check for port partner validity before consuming it\n\ntypec_register_partner() does not guarantee partner registration\nto always succeed. In the event of failure, port->partner is set\nto the error value or NULL. Given that port->partner validity is\nnot checked, this results in the following crash:\n\nUnable to handle kernel NULL pointer dereference at virtual address xx\n pc : run_state_machine+0x1bc8/0x1c08\n lr : run_state_machine+0x1b90/0x1c08\n..\n Call trace:\n   run_state_machine+0x1bc8/0x1c08\n   tcpm_state_machine_work+0x94/0xe4\n   kthread_worker_fn+0x118/0x328\n   kthread+0x1d0/0x23c\n   ret_from_fork+0x10/0x20\n\nTo prevent the crash, check for port->partner validity before\nderefencing it in all the call 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