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CVE-2023-31315 Affecting linux-firmware package, versions <0:20200421-82.git78c0348.amzn2

Severity

 Recommended
0.0
high
0
10

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.04% (10th percentile)

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  • Snyk ID SNYK-AMZN2-LINUXFIRMWARE-7725275
  • published 21 Aug 2024
  • disclosed 12 Aug 2024
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Introduced: 12 Aug 2024

CVE-2023-31315 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 linux-firmware to version 0:20200421-82.git78c0348.amzn2 or higher.
This issue was patched in ALAS2-2024-2626.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-firmware package and not the linux-firmware package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.

CVSS Scores

version 3.1
Expand this section

Red Hat

7.5 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

SUSE

7.5 high