CVE-2023-30456

MEDIUM

Linux Kernel < 6.2.8 - Improper Condition Check

Title source: rule
STIX 2.1

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.

Scores

CVSS v3 6.5
EPSS 0.0001
EPSS Percentile 1.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-754
Status published
Products (2)
linux/linux_kernel 6.3 rc1 (2 CPE variants)
linux/linux_kernel < 6.2.8
Published Apr 10, 2023
Tracked Since Feb 18, 2026