CVE-2025-21821 | Linux Kernel up to 6.1.128/6.6.78/6.12.15/6.13.3 fbdev usb_f_ecm buffer overflow

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A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.1.128/6.6.78/6.12.15/6.13.3. Affected is the function usb_f_ecm of the component fbdev. The manipulation leads to buffer overflow.

This vulnerability is traded as CVE-2025-21821. Access to the local network is required for this attack to succeed. There is no exploit available.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More