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High 1 exploited CVE USN-5252-1 1 CVE

policykit-1 vulnerability

Published Jan 25, 2022 · Updated Apr 22, 2026

Summary

It was discovered that the PolicyKit pkexec tool incorrectly handled
command-line arguments. A local attacker could use this issue to escalate
privileges to an administrator.

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS policykit-1 0.105-20ubuntu0.18.04.6
Ubuntu · 20.04 LTS 20.04:LTS policykit-1 0.105-26ubuntu1.2

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2021-4034