CVE-2026-64577 | Linux Kernel up to 7.2-rc4 GTP drivers/net/gtp.c gtp1u_send_echo_resp return value

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.6.147/6.12.100/6.18.41/7.1.5/7.2-rc4. The affected element is the function gtp1u_send_echo_resp of the file drivers/net/gtp.c of the component GTP. Executing a manipulation can lead to unchecked return value.

This vulnerability appears as CVE-2026-64577. The attack may be performed from remote. There is no available exploit.

It is advisable to upgrade the affected component.