A vulnerability marked as critical has been reported in Linux Kernel up to 6.6.142/6.18.34/7.0.11. The impacted element is the function
fsctl_set_sparse of the component ksmbd. This manipulation of the argument sparse causes permission issues.
This vulnerability is tracked as CVE-2026-52944. The attack is only possible within the local network. No exploit exists.
It is suggested to upgrade the affected component.
