A vulnerability, which was classified as critical , has been found in Linux Kernel up to 6.1.175/6.6.142/6.12.93/6.18.35/7.0.12 . Impacted is the function __smc_setsockopt of the component net . The manipulation leads to denial of service. This vulnerability is traded as CVE-2026-53274 . An attack has to be approached locally. There is no exploit available. It is advisable to upgrade the affected component.