File Descriptor Leak Affecting polkit package, versions <0:0.115-13.el8_5.2


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.53% (43rd percentile)

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  • Snyk IDSNYK-RHEL8-POLKIT-4240134
  • published15 Feb 2022
  • disclosed14 Feb 2022

Introduced: 14 Feb 2022

CVE-2021-4115  (opens in a new tab)
CWE-403  (opens in a new tab)

How to fix?

Upgrade RHEL:8 polkit to version 0:0.115-13.el8_5.2 or higher.
This issue was patched in RHSA-2022:1546.

NVD Description

Note: Versions mentioned in the description apply only to the upstream polkit package and not the polkit package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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

CVSS Base Scores

version 3.1