CVE Database›CVE-2022-20166

CVE-2022-20166

kernel: possible buffer overflow in sysfs reading

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Severity

Moderate

Red Hat Product Security

6.4

CVSS 3.1

Review impact separately from score.

Published · August 15, 2022

Updated · June 28, 2026

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

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.

CVSS / CWE

CVSS 3.1 · 6.4
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-787 · Out-of-bounds Write