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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2020-27670
HistoryOct 22, 2020 - 9:15 p.m.

CVE-2020-27670

2020-10-2221:15:13
Debian Security Bug Tracker
security-tracker.debian.org
17

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

14.3%

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated.

OSVersionArchitecturePackageVersionFilename
Debian12allxen< 4.14.0+80-gd101b417b7-1xen_4.14.0+80-gd101b417b7-1_all.deb
Debian11allxen< 4.14.0+80-gd101b417b7-1xen_4.14.0+80-gd101b417b7-1_all.deb
Debian10allxen< 4.11.4+57-g41a822c392-1xen_4.11.4+57-g41a822c392-1_all.deb
Debian999allxen< 4.14.0+80-gd101b417b7-1xen_4.14.0+80-gd101b417b7-1_all.deb
Debian13allxen< 4.14.0+80-gd101b417b7-1xen_4.14.0+80-gd101b417b7-1_all.deb

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

14.3%