CVE-2021-0158
kernel: improper input validation in the BIOS firmware
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 15, 2021
Updated · October 8, 2026
Description
A vulnerability was found in the BIOS firmware for some Intel(R) Processors caused by improper input validation. This flaw allows a user with local access to cause the device to elevate privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Statement
There was no shipped kernel version that was seen affected by this problem.
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
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-20 · Improper Input Validation