VULNERABILITY INTELLIGENCE

CVE-2021-4115

CVSS score5.5 MEDIUM
EPSS probability0.53%
CISA KEVNot currently listed
Published2022-02-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned

Weakness classification

  • secalert@redhat.com: CWE-400
  • nvd@nist.gov: NVD-CWE-Other

Primary references