CVE-2026-23259 | Linux Kernel up to 6.18.9 io_uring io_req_rw_cleanup allocation of resources

A vulnerability was found in Linux Kernel up to 6.18.9. It has been classified as critical. This affects the function io_req_rw_cleanup of the component io_uring. Performing a manipulation results in allocation of resources.

This vulnerability was named CVE-2026-23259. The attack needs to be approached within the local network. There is no available exploit.

Upgrading the affected component is recommended.