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ubuntucveUbuntu.comUB:CVE-2016-6258
HistoryAug 02, 2016 - 12:00 a.m.

CVE-2016-6258

2016-08-0200:00:00
ubuntu.com
ubuntu.com
14

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

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

26.7%

The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows
local 32-bit PV guest OS administrators to gain host OS privileges by
leveraging fast-paths for updating pagetable entries.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchxen< 4.1.6.1-0ubuntu0.12.04.12UNKNOWN
ubuntu14.04noarchxen< 4.4.2-0ubuntu0.14.04.7UNKNOWN
ubuntu16.04noarchxen< 4.6.0-1ubuntu4.2UNKNOWN

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

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

26.7%