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ubuntucveUbuntu.comUB:CVE-2023-30456
HistoryApr 10, 2023 - 12:00 a.m.

CVE-2023-30456

2023-04-1000:00:00
ubuntu.com
ubuntu.com
10

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

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:N/I:N/A:P

0.0004 Low

EPSS

Percentile

5.3%

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchlinux-nvidia< 5.15.0-1026.26UNKNOWN
ubuntu20.04noarchlinux-gkeop-5.15< 5.15.0-1021.26~20.04.1UNKNOWN
ubuntu23.04noarchlinux-starfive< 6.2.0-1002.2UNKNOWN
ubuntu23.10noarchlinux-starfive< anyUNKNOWN
ubuntu20.04noarchlinux-xilinx-zynqmp< 5.4.0-1024.28UNKNOWN
ubuntu20.04noarchlinux-iot< 5.4.0-1017.18UNKNOWN
ubuntu18.04noarchlinux-raspi-5.4< anyUNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1037.41~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1103.111~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1157.170~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
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References

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

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:N/I:N/A:P

0.0004 Low

EPSS

Percentile

5.3%