A vulnerability labeled as critical has been found in Linux Kernel up to 6.18.28/7.0.5/7.1-rc2 . Affected by this vulnerability is the function rxrpc_input_call_event of the component rxrpc . Such manipulation leads to infinite loop. This vulnerability is uniquely identified as CVE-2026-43500 . The attack can only be initiated within the local network. No exploit exists. The affected component should be upgraded.