CVE-2023-30456 Affecting bpftool package, versions <0:5.15.0-101.103.2.1.el9uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ORACLE9-BPFTOOL-5507221
  • published10 May 2023
  • disclosed10 Apr 2023

Introduced: 10 Apr 2023

CVE-2023-30456  (opens in a new tab)

How to fix?

Upgrade Oracle:9 bpftool to version 0:5.15.0-101.103.2.1.el9uek or higher.
This issue was patched in ELSA-2023-12339.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Oracle. See How to fix? for Oracle:9 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