A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.18.21/6.19.11. The impacted element is the function
mptcp_recvmsg of the component mptcp. This manipulation causes infinite loop.
This vulnerability is tracked as CVE-2026-43029. The attack is only possible within the local network. No exploit exists.
It is advisable to upgrade the affected component.
