CVE-2026-64226 | Linux Kernel up to 6.12.91/6.18.33/7.0.10 sched_ext scx_root_enable_workfn use after free

A vulnerability marked as very critical has been reported in Linux Kernel up to 6.12.91/6.18.33/7.0.10. Affected is the function scx_root_enable_workfn of the component sched_ext. Performing a manipulation results in use after free.

This vulnerability was named CVE-2026-64226. The attack may be initiated remotely. There is no available exploit.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More