A vulnerability, which was classified as critical , has been found in Linux Kernel up to 7.0.12 . Affected is the function espintcp_sendmsg of the component xfrm . Performing a manipulation of the argument partial results in memory corruption. This vulnerability is known as CVE-2026-52935 . Access to the local network is required for this attack. No exploit is available. It is advisable to upgrade the affected component.