CVE-2022-20166
kernel: possible buffer overflow in sysfs reading
Severity
ModerateRed Hat Product Security
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 · 6.4CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-787 · Out-of-bounds Write