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cve[email protected]CVE-2020-2732
HistoryApr 08, 2020 - 10:15 p.m.

CVE-2020-2732

2020-04-0822:15:12
CWE-200
web.nvd.nist.gov
381
cve-2020-2732
kvm
hypervisor
virtualization
security flaw
nvd

6.8 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7 High

AI Score

Confidence

High

2.3 Low

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.0005 Low

EPSS

Percentile

17.9%

A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstances, an L2 guest may trick the L0 guest into accessing sensitive L1 resources that should be inaccessible to the L2 guest.

Affected configurations

NVD
Node
redhatenterprise_linuxMatch7.0
OR
redhatenterprise_linuxMatch8.0

CNA Affected

[
  {
    "product": "Oracle Linux",
    "vendor": "Oracle Corporation",
    "versions": [
      {
        "status": "affected",
        "version": "7"
      },
      {
        "status": "affected",
        "version": "6"
      }
    ]
  }
]

6.8 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7 High

AI Score

Confidence

High

2.3 Low

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.0005 Low

EPSS

Percentile

17.9%