Divide By Zero Affecting kernel package, versions <0:4.14.322-244.539.amzn2


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (21st percentile)

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  • Snyk IDSNYK-AMZN2-KERNEL-5882138
  • published6 Sept 2023
  • disclosed8 Aug 2023

Introduced: 8 Aug 2023

CVE-2023-20588  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 kernel to version 0:4.14.322-244.539.amzn2 or higher.
This issue was patched in ALAS2-2023-2232.

NVD Description

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

A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.

References

CVSS Scores

version 3.1