As always I have my suspicions with these and the NSA having prior knowledge and spinning their narrative so to offset that info to the public. Can’t burn your bridges so keep it close to the vest.

https://blog.qualys.com/vulnerabilities-threat-research/2022/01/25/pwnkit-local-privilege-escalation-vulnerability-discovered-in-polkits-pkexec-cve-2021-4034