Improperly Implemented Security Check for Standard Affecting kernel package, versions <0:4.14.348-187.562.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNEL-7367191
  • published25 Jun 2024
  • disclosed10 Apr 2023

Introduced: 10 Apr 2023

CVE-2023-30456  (opens in a new tab)
CWE-358  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel to version 0:4.14.348-187.562.amzn1 or higher.
This issue was patched in ALAS-2024-1942.

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:2018.03 relevant fixed versions and status.

An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64 lacks consistency checks for CR0 and CR4.

CVSS Scores

version 3.1