CVE-2026-90186 | Linux Kernel up to 7.2.5 null_blk main.c nullb_update_nr_hw_queues null pointer dereference

A vulnerability was found in Linux Kernel up to 6.1.187/6.6.156/6.12.109/6.18.51/7.2.5 and classified as problematic. Affected by this issue is the function nullb_update_nr_hw_queues of the file drivers/block/null_blk/main.c of the component null_blk. The manipulation results in null pointer dereference.

This vulnerability is cataloged as CVE-2026-90186. The attack must be initiated from a local position. There is no exploit available.

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