"The real story here is that we typically see one or two kernel-level LPE (Linux privilege escalations) vulnerabilities that affect multiple distros/versions per year"

LPE: local privilege escalations .. Not "Linux priv escalations" ..

For the rest, nothing new under the sun

Which happens to occur when Mythos appears on the scene ...

https://red.anthropic.com/2026/mythos-preview/

So, an uptick in issues like this isn't terribly surprising. Once they get fixed, the "burst" of issues should subside.