CVE-2021-0146
hw: INTEL-SA-00528
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 9, 2021
Updated · November 21, 2025
Description
Hardware allows activation of test and debug logic at runtime for some Intel(R) processors which may allow an unauthenticated user to potentially enable escalation of privilege via physical access.
Statement
The required microcode update is to be applied during system firmware initialisation stage and the fix is not OS-loadable as communicated by Intel.
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 · 7.1CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE not specified