“The severity of this issue is significant because it allows any unprivileged local user to gain root access (LPE) by manipulating the Linux page cache.”
Fourth kernel privilege-escalation bug in six weeks. Any unprivileged local user can manipulate the page cache and walk out with root. That’s not a fluke, that’s a pattern, and it means whatever’s shaking loose in kernel memory handling right now isn’t done yet. If your patching cadence for kernel CVEs is “get to it next sprint,” this is the month that catches up with you.