Vulnerabilities
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CVE Vulnerabilities

CVE-2021-4115

Published: Feb 21, 2022 | Modified: Nov 07, 2023
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
6.2 MODERATE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-4115
CWEhttps://cwe.mitre.org/data/definitions/NVD-Other.html

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

Affected Software

Name Vendor Start Version End Version
Polkit Polkit_project 0.117 (including) 0.117 (including)
Red Hat Enterprise Linux 8 RedHat polkit-0:0.115-13.el8_5.2 *
Policykit-1 Ubuntu focal *
Policykit-1 Ubuntu impish *

References

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