SB202502194558 - Amazon Linux AMI update for microcode_ctl

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Main Vulnerability Database SB202502194558

SB202502194558 - Amazon Linux AMI update for microcode_ctl

Published: February 19, 2025

Security Bulletin ID SB202502194558
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Sequence of processor instructions leads to unexpected behavior (CVE-ID: CVE-2023-23583)

CWE-ID: CWE-1281 - Sequence of Processor Instructions Leads to Unexpected Behavior

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to an error related to processing of Sequence of processor instructions. A local user can execute arbitrary code with elevated privileges.


2) Improper access control (CVE-ID: CVE-2023-23908)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper access restrictions. A local privileged user can gain access to sensitive information.


Remediation

Install update from vendor's website.

References