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
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | 2024-06-19 | ALAS-2024-1942 | Fixed |
| Amazon Linux 2 - Core | kernel | 2024-06-19 | ALAS2-2024-2581 | Fixed |
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2024-06-06 | ALAS2KERNEL-5.10-2024-059 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2023-05-15 | ALAS2KERNEL-5.15-2023-019 | Fixed |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2024-06-06 | ALAS2KERNEL-5.4-2024-070 | Fixed |
| Amazon Linux 2023 | kernel | 2023-03-30 | 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 |