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nvd[email protected]NVD:CVE-2023-30456
HistoryApr 10, 2023 - 2:15 a.m.

CVE-2023-30456

2023-04-1002:15:06
web.nvd.nist.gov
linux kernel
nvmx
x86_64
consistency checks
cr0
cr4
security issue

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

7.2 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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.

Affected configurations

NVD
Node
linuxlinux_kernelRange<6.2.8
OR
linuxlinux_kernelMatch6.3rc1
OR
linuxlinux_kernelMatch6.3rc2

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

7.2 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%