CVE-2023-30456

CVE Details

Release Date:	2023-04-10
Impact:	Moderate	What is this?

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.

See more information about CVE-2023-30456 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	6.0
Vector String:	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	High
User Interaction:	None
Scope:	Changed
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (kernel-uek)	ELSA-2023-12394	2023-06-15
Oracle Linux version 7 (kernel-uek-container)	ELSA-2023-12412	2023-06-13
Oracle Linux version 8 (kernel)	ELSA-2023-7077	2023-11-17
Oracle Linux version 8 (kernel-uek)	ELSA-2023-12339	2023-05-09
Oracle Linux version 8 (kernel-uek)	ELSA-2023-12394	2023-06-15
Oracle Linux version 8 (kernel-uek-container)	ELSA-2023-12413	2023-06-13
Oracle Linux version 9 (kernel)	ELSA-2023-6583	2023-11-12
Oracle Linux version 9 (kernel-uek)	ELSA-2023-12339	2023-05-09