USB Type-C Security Vulnerability Fix

CVE-2024-50268

What is CVE-2024-50268?

A vulnerability exists within the Linux kernel specifically related to the USB Type-C interface, where the user can potentially control the '*cmd' variable via debugfs. This allows for exploitation by setting 'new_cam' values beyond the designed limit (up to 255), while the corresponding uc->updated[] array is capped at UCSI_MAX_ALTMODES (30). This can result in out-of-bounds memory access, leading to unpredictable behaviors, potential crashes, and security risks. Developers and system administrators are advised to apply the relevant patches to mitigate this vulnerability and ensure system integrity.

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References