CWE data temporarily unavailableCWE data is currently experiencing intermittent outages, which may cause incomplete section loading on CVE pages. We are actively working on a fix.

CVE-2022-20166

Description

A flaw was found in the Linux kernel’s sysfs layer. This flaw allows a local user who can read files under the /sysfs mount point to corrupt memory or possibly crash the system.

Mitigation

Mitigation for this issue is either not available or the currently available options does not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Common Vulnerability Scoring System (CVSS) Score Details

Info alert:Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

CVSS v3 Score Breakdown

Red HatNVDcve.org
Base Score6.46.7N/A
Attack VectorLocalLocalN/A
Attack ComplexityHighLowN/A
Privileges RequiredHighHighN/A
User InteractionNoneNoneN/A
ScopeUnchangedUnchangedN/A
ConfidentialityHighHighN/A
Integrity ImpactHighHighN/A
Availability ImpactHighHighN/A

Vector

Red Hat: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Frequently Asked Questions

Want to get errata notifications? Sign up here.