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 (EUVD-2025-4440 / Nessus ID 233595)
A vulnerability was found in Linux Kernel up to 6.1.128/6.6.78/6.12.15/6.13.3/6.14-rc2. It has been classified as critical. This issue affects the function acm_ctrl_irq of the file /dev/ttyACM* of the component USB. Performing a manipulation results in memory corruption.
This vulnerability was named CVE-2025-21704. The attack needs to be approached within the local network. There is no available exploit.
Upgrading the affected component is recommended.