{"id":"CVE-2024-36893","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-\u003epartner is set\nto the error value or NULL. Given that port-\u003epartner 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-\u003epartner validity before\nderefencing it in all the call sites.","modified":"2026-04-16T04:37:45.871379188Z","published":"2024-05-30T15:28:59.113Z","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"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36893.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2a07e6f0ad8a6e504a3912cfe8dc859b7d0740a5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/789326cafbd1f67f424436b6bc8bdb887a364637"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ae11f04b452b5205536e1c02d31f8045eba249dd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d56d2ca03cc22123fd7626967d096d8661324e57"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fc2b655cb6dd2b381f1f284989721002e39b6b77"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36893.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36893"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"31220bd89c22a18478f52fcd8069e8e2adb8f4f2"},{"fixed":"2a07e6f0ad8a6e504a3912cfe8dc859b7d0740a5"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"9b7cd3fe01f0d03cf5820b351a6be2a6e0a6da6f"},{"fixed":"d56d2ca03cc22123fd7626967d096d8661324e57"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"c97cd0b4b54eb42aed7f6c3c295a2d137f6d2416"},{"fixed":"789326cafbd1f67f424436b6bc8bdb887a364637"},{"fixed":"fc2b655cb6dd2b381f1f284989721002e39b6b77"},{"fixed":"ae11f04b452b5205536e1c02d31f8045eba249dd"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"2897b36d2482b84f35e659989d5cb4501fb31ccd"},{"last_affected":"cbcf107780aecf51aba68488044a416d95060b6d"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-36893.json"}}],"schema_version":"1.7.5"}