CVE-2025-21704 | Linux Kernel up to 6.1.128/6.6.78/6.12.15/6.13.3/6.14-rc2 USB /dev/ttyACM* acm_ctrl_irq memory corruption

CVE-2025-21704 | Linux Kernel up to 6.1.128/6.6.78/6.12.15/6.13.3/6.14-rc2 USB /dev/ttyACM* acm_ctrl_irq memory corruption

A vulnerability has been found in Linux Kernel up to 6.1.128/6.6.78/6.12.15/6.13.3/6.14-rc2 and classified as critical. This vulnerability affects the function acm_ctrl_irq of the file /dev/ttyACM* of the component USB. The manipulation leads to memory corruption. This vulnerability was named CVE-2025-21704. 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.