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ubuntucveUbuntu.comUB:CVE-2018-19967
HistoryDec 08, 2018 - 12:00 a.m.

CVE-2018-19967

2018-12-0800:00:00
ubuntu.com
ubuntu.com
11

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:3.0/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

0.001 Low

EPSS

Percentile

25.6%

An issue was discovered in Xen through 4.11.x on Intel x86 platforms
allowing guest OS users to cause a denial of service (host OS hang) because
Xen does not work around Intel’s mishandling of certain HLE transactions
associated with the KACQUIRE instruction prefix.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchxen< anyUNKNOWN
ubuntu16.04noarchxen< anyUNKNOWN

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:3.0/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

0.001 Low

EPSS

Percentile

25.6%