CVE-2026-99263 | Linux Kernel up to 7.3.0 io_uring io_poll_check_events toctou

A vulnerability, which was classified as very critical, has been found in Linux Kernel up to 7.3.0. The affected element is the function io_poll_check_events of the component io_uring. This manipulation causes time-of-check time-of-use.

The identification of this vulnerability is CVE-2026-99263. It is possible to initiate the attack remotely. There is no exploit available.

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