A use-after-free flaw was found in the Linux kernel’s pipes functionality in how a user performs manipulations with the pipe post_one_notification() after free_pipe_info() that is already called. This flaw allows a local user to crash or potentially escalate their privileges on the system.
https://security.netapp.com/advisory/ntap-20220715-0002/
https://lore.kernel.org/lkml/20220507115605.96775-1-tcs.kernel%40gmail.com/T/