Improper Zeroization of Hardware Register Affecting kernel-64k-modules-extra package, versions <0:5.14.0-284.30.1.el9_2


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
6.48% (91st percentile)

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  • Snyk IDSNYK-CENTOS9-KERNEL64KMODULESEXTRA-5806286
  • published26 Jul 2023
  • disclosed25 Jul 2023

Introduced: 25 Jul 2023

CVE-2023-20593  (opens in a new tab)
CWE-1239  (opens in a new tab)

How to fix?

Upgrade Centos:9 kernel-64k-modules-extra to version 0:5.14.0-284.30.1.el9_2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-64k-modules-extra package and not the kernel-64k-modules-extra package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

References

CVSS Base Scores

version 3.1