CVE-2026-52973 | Linux Kernel up to 6.18.32/7.0.9 futex need_futex_hash_allocate_default futex_ref use after free

June 24, 2026 Yanac

A vulnerability marked as critical has been reported in Linux Kernel up to 6.18.32/7.0.9. This vulnerability affects the function need_futex_hash_allocate_default of the component futex. This manipulation of the argument futex_ref causes use after free.

This vulnerability is handled as CVE-2026-52973. The attack can only be done within the local network. There is not any exploit available.

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