Incorrect Default Permissions Affecting microcode_ctl package, versions <2:2.1-47.amzn2.4.22


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-AMZN2-MICROCODECTL-8544998
  • published20 Dec 2024
  • disclosed13 Nov 2024

Introduced: 13 Nov 2024

CVE-2024-21820  (opens in a new tab)
CWE-276  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 microcode_ctl to version 2:2.1-47.amzn2.4.22 or higher.
This issue was patched in ALAS2-2024-2682.

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 Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Incorrect default permissions in some Intel(R) Xeon(R) processor memory controller configurations when using Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via local access.

CVSS Scores

version 3.1