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[email protected]CVE-2018-12904

HistoryJun 27, 2018 - 11:29 a.m.

CVE-2018-12904

2018-06-2711:29:00

[email protected]

web.nvd.nist.gov

cve-2018-12904

linux kernel

nested virtualization

privilege escalation

denial of service

nvd

security vulnerability

CVSS2

4.4

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

4.9

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

AI Score

5.5

Confidence

High

EPSS

0.001

Percentile

29.8%

JSON

In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.