CVE - CVE-2024-36893

CVE-ID
CVE-2024-36893	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: Check for port partner validity before consuming it typec_register_partner() does not guarantee partner registration to always succeed. In the event of failure, port->partner is set to the error value or NULL. Given that port->partner validity is not checked, this results in the following crash: Unable to handle kernel NULL pointer dereference at virtual address xx pc : run_state_machine+0x1bc8/0x1c08 lr : run_state_machine+0x1b90/0x1c08 .. Call trace: run_state_machine+0x1bc8/0x1c08 tcpm_state_machine_work+0x94/0xe4 kthread_worker_fn+0x118/0x328 kthread+0x1d0/0x23c ret_from_fork+0x10/0x20 To prevent the crash, check for port->partner validity before derefencing it in all the call sites.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/2a07e6f0ad8a6e504a3912cfe8dc859b7d0740a5 URL:https://git.kernel.org/stable/c/2a07e6f0ad8a6e504a3912cfe8dc859b7d0740a5 MISC:https://git.kernel.org/stable/c/789326cafbd1f67f424436b6bc8bdb887a364637 URL:https://git.kernel.org/stable/c/789326cafbd1f67f424436b6bc8bdb887a364637 MISC:https://git.kernel.org/stable/c/ae11f04b452b5205536e1c02d31f8045eba249dd URL:https://git.kernel.org/stable/c/ae11f04b452b5205536e1c02d31f8045eba249dd MISC:https://git.kernel.org/stable/c/d56d2ca03cc22123fd7626967d096d8661324e57 URL:https://git.kernel.org/stable/c/d56d2ca03cc22123fd7626967d096d8661324e57 MISC:https://git.kernel.org/stable/c/fc2b655cb6dd2b381f1f284989721002e39b6b77 URL:https://git.kernel.org/stable/c/fc2b655cb6dd2b381f1f284989721002e39b6b77
Assigning CNA
kernel.org
Date Record Created
20240530	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240530)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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