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CVE-2023-30456

Public on 2023-04-10
Modified on 2024-02-27
Description

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.

Severity
Important
See what this means
CVSS v3 Base Score
7.1
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2024-06-19 18:46 ALAS-2024-1942
Amazon Linux 2 - Core kernel 2024-06-19 19:15 ALAS2-2024-2581
Amazon Linux 2 - Kernel-5.10 Extra kernel 2024-06-06 20:38 ALAS2KERNEL-5.10-2024-059
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-05-15 23:18 ALAS2KERNEL-5.15-2023-019
Amazon Linux 2 - Kernel-5.4 Extra kernel 2024-06-06 20:37 ALAS2KERNEL-5.4-2024-070
Amazon Linux 2023 kernel 2023-03-30 21:11 ALAS2023-2023-148

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.1 CVSS:3.1 AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv3 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H