Information Exposure Affecting microcode_ctl package, versions <2:2.1-73.11.el7_9


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (22nd percentile)

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  • Snyk IDSNYK-RHEL7-MICROCODECTL-7975106
  • published14 Sept 2024
  • disclosed9 Jun 2020

Introduced: 9 Jun 2020

CVE-2020-0543  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade RHEL:7 microcode_ctl to version 2:2.1-73.11.el7_9 or higher.
This issue was patched in RHSA-2021:3028.

NVD Description

Note: Versions mentioned in the description apply only to the upstream microcode_ctl package and not the microcode_ctl package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

References

CVSS Scores

version 3.1