CVE-2023-30456 Affecting kernel-debug-modules package, versions <0:4.18.0-513.5.1.el8_9


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELDEBUGMODULES-6082581
  • published23 Nov 2023
  • disclosed10 Apr 2023

Introduced: 10 Apr 2023

CVE-2023-30456  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-debug-modules to version 0:4.18.0-513.5.1.el8_9 or higher.
This issue was patched in ELSA-2023-7077.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-modules package and not the kernel-debug-modules package as distributed by Oracle. See How to fix? for Oracle:8 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