CVE-2026-64248 | Linux Kernel up to 7.1.2 RCU kernel/irq_work.c stop_this_cpu use after free

July 24, 2026 Yanac

A vulnerability was found in Linux Kernel up to 6.1.177/6.6.144/6.12.94/6.18.37/7.1.2. It has been rated as problematic. This issue affects the function stop_this_cpu of the file kernel/irq_work.c of the component RCU. The manipulation leads to use after free.

This vulnerability is documented as CVE-2026-64248. The attack needs to be performed locally. There is not any exploit available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More