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cve[email protected]CVE-2020-7467
HistoryMar 26, 2021 - 9:15 p.m.

CVE-2020-7467

2021-03-2621:15:13
CWE-269
web.nvd.nist.gov
53
cve-2020-7467
freebsd
amd
virtualization
privilege escalation
security vulnerability

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.6 High

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

30.6%

In FreeBSD 12.2-STABLE before r365767, 11.4-STABLE before r365769, 12.1-RELEASE before p10, 11.4-RELEASE before p4 and 11.3-RELEASE before p14 a number of AMD virtualization instructions operate on host physical addresses, are not subject to nested page table translation, and guest use of these instructions was not trapped.

Affected configurations

NVD
Node
freebsdfreebsdMatch11.3-
OR
freebsdfreebsdMatch11.3p1
OR
freebsdfreebsdMatch11.3p10
OR
freebsdfreebsdMatch11.3p11
OR
freebsdfreebsdMatch11.3p12
OR
freebsdfreebsdMatch11.3p13
OR
freebsdfreebsdMatch11.3p2
OR
freebsdfreebsdMatch11.3p3
OR
freebsdfreebsdMatch11.3p4
OR
freebsdfreebsdMatch11.3p5
OR
freebsdfreebsdMatch11.3p6
OR
freebsdfreebsdMatch11.3p7
OR
freebsdfreebsdMatch11.3p8
OR
freebsdfreebsdMatch11.3p9
OR
freebsdfreebsdMatch11.4-
OR
freebsdfreebsdMatch11.4p1
OR
freebsdfreebsdMatch11.4p2
OR
freebsdfreebsdMatch11.4p3
OR
freebsdfreebsdMatch12.1-
OR
freebsdfreebsdMatch12.1p1
OR
freebsdfreebsdMatch12.1p2
OR
freebsdfreebsdMatch12.1p3
OR
freebsdfreebsdMatch12.1p4
OR
freebsdfreebsdMatch12.1p5
OR
freebsdfreebsdMatch12.1p6
OR
freebsdfreebsdMatch12.1p7
OR
freebsdfreebsdMatch12.1p8
OR
freebsdfreebsdMatch12.1p9
OR
freebsdfreebsdMatch12.2-

CNA Affected

[
  {
    "product": "FreeBSD",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "FreeBSD 12.1-RELEASE before p10, 11.4-RELEASE before p4, 11.3-RELEASE before p14"
      }
    ]
  }
]

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.6 High

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

30.6%