CVE-2021-0157

kernel: insufficient control flow management in the BIOS firmware

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Severity

Moderate

Red Hat Product Security

6.7

CVSS 3.1

Review impact separately from score.

Published · November 15, 2021

Updated · October 8, 2026

Description

A vulnerability was reported in the BIOS firmware for some Intel(R) Processors caused by insufficient control flow management. 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 · 6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-94 · Improper Control of Generation of Code ('Code Injection')