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freebsdFreeBSDEDC0BF7E-05A1-11EA-9DFA-F8B156AC3FF9
HistoryNov 14, 2019 - 12:00 a.m.

FreeBSD -- Machine Check Exception on Page Size Change

2019-11-1400:00:00
vuxml.freebsd.org
41

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.0005 Low

EPSS

Percentile

15.6%

Intel discovered a previously published erratum on some Intel
platforms can be exploited by malicious software to potentially cause
a denial of service by triggering a machine check that will crash or
hang the system.
Malicious guest operating systems may be able to crash the host.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchfreebsd-kernel=ย 12.1UNKNOWN
FreeBSDanynoarchfreebsd-kernel<ย 12.1_1UNKNOWN

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.0005 Low

EPSS

Percentile

15.6%