CVE-2026-23275 | Linux Kernel up to 6.18.18/6.19.8/7.0-rc3 io_uring io_ctx_mark_taskrun privilege escalation

A vulnerability labeled as problematic has been found in Linux Kernel up to 6.18.18/6.19.8/7.0-rc3. This issue affects the function io_ctx_mark_taskrun of the component io_uring. The manipulation results in privilege escalation.

This vulnerability is identified as CVE-2026-23275. The attack can only be performed from the local network. There is not any exploit available.

The affected component should be upgraded.