Vulnerability Intelligence Report
CVE-2021-4115
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
No Active Exploit Signals
CVSS Base Score
5.5
MEDIUM
EPSS Probability:0.53%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-400 ↗CWE-400
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| polkit_project | polkit | 0.117 |
| redhat | enterprise_linux | 8.0 |
| fedoraproject | fedora | 34, 35 |
| canonical | ubuntu_linux | 20.04, 21.10 |
| debian | debian_linux | 11.0 |
| oracle | zfs_storage_appliance_kit | 8.8 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.530%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Red Hat, Inc. · Vendor · USA |
| Reserved | 2021-12-14T00:00:00 |
| Published | 2022-02-21T00:00:00 |
| Last Updated | 2024-08-03T17:16:04 |
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