CVE-2022-20153

A use-after-free flaw was found in the Linux kernel’s io_uring (in fs/io_uring.c) when improper locking happens. This flaw allows a local user to crash or potentially escalate their privileges on the system.

At this time, no Red Hat Enterprise Linux products ship with support for this feature. There is an outstanding feature request for io_uring to be included with Red Hat Enterprise Linux 9.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options does not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.