What the vulnerability does

01Description

A use-after-free flaw was found in the Linux kernel’s io_uring subsystem in the way a user sets up a ring with IORING_SETUP_IOPOLL with more than one task completing submissions on this ring. This flaw allows a local user to crash or escalate their privileges on the system.

Key dates

02Disclosure timeline

May 31, 2022 CVE published
August 3, 2024 Record updated