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

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 kernel 2024-06-24 ALAS-2024-1942 Fixed
Amazon Linux 2 - Core kernel 2024-06-24 ALAS2-2024-2581 Fixed
Amazon Linux 2 - Kernel-5.10 Extra kernel 2024-06-12 ALAS2KERNEL-5.10-2024-059 Fixed
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-05-31 ALAS2KERNEL-5.15-2023-019 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2024-06-12 ALAS2KERNEL-5.4-2024-070 Fixed
Amazon Linux 2023 kernel 2023-04-10 ALAS2023-2023-148 Fixed

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