CVE-2022-4696

A use-after-free flaw was found in the io_uring subsystem of the Linux kernel. This issue occurs during the IORING_OP_SPLICE operation due to a missing IO_WQ_WORK_FILES flag, leading to an invalid decrease of its reference counter and later causing the use-after-free vulnerability. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Red Hat Enterprise Linux is not affected by this flaw as the io_uring (CONFIG_IO_URING) is not enabled in any current shipping kernels.

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.