A vulnerability has been found in Linux Kernel up to 7.0.12 and classified as critical . Affected by this issue is the function netvsc_copy_to_send_buf of the component hv_netvsc . Performing a manipulation results in buffer overflow. This vulnerability was named CVE-2026-53199 . The attack may be carried out on the physical device. There is no available exploit. The affected component should be upgraded.