Sequence of Processor Instructions Leads to Unexpected Behavior Affecting microcode_ctl package, versions <2:2.1-47.amzn2.4.15


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-AMZN2-MICROCODECTL-6062268
  • published16 Nov 2023
  • disclosed14 Nov 2023

Introduced: 14 Nov 2023

CVE-2023-23583  (opens in a new tab)
CWE-1281  (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.amzn2.4.15 or higher.
This issue was patched in ALAS2-2023-2341.

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.

Sequence of processor instructions leads to unexpected behavior for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege and/or information disclosure and/or denial of service via local access.

CVSS Scores

version 3.1