CVE-2023-30456

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

10/04/2023

Last modified:

19/03/2025

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

6.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::		6.2.8 (excluding)
cpe:2.3:o:linux:linux_kernel:6.3:rc1::::::
cpe:2.3:o:linux:linux_kernel:6.3:rc2::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-30456

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools