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Ubuntu: USN-5304-1 (CVE-2021-4115): PolicyKit vulnerability

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Ubuntu: USN-5304-1 (CVE-2021-4115): PolicyKit vulnerability

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
02/21/2022
Created
03/29/2023
Added
03/22/2023
Modified
03/22/2023

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

Solution(s)

  • ubuntu-upgrade-policykit-1

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