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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities
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CVE-2021-4115 Detail

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


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html
https://access.redhat.com/security/cve/cve-2021-4115 Third Party Advisory 
https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e Patch  Third Party Advisory 
https://gitlab.freedesktop.org/polkit/polkit/-/issues/141 Exploit  Issue Tracking  Patch  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/
https://www.oracle.com/security-alerts/cpujul2022.html Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-Other Other cwe source acceptance level NIST  
CWE-400 Uncontrolled Resource Consumption Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-4115
NVD Published Date:
02/21/2022
NVD Last Modified:
11/06/2023
Source:
Red Hat, Inc.