With Proof of Concept exploits already on github, you need to ensure you are patched against this vulnerability.
Details of the vulnerability can be found at https://blog.qualys.com/vulnerabilities-threat-research/2022/01/25/pwnkit-local-privilege-escalation-vulnerability-discovered-in-polkits-pkexec-cve-2021-4034
Most vendors have released patches, so update
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