Lucene search

K
ubuntucveUbuntu.comUB:CVE-2020-29040
HistoryNov 24, 2020 - 12:00 a.m.

CVE-2020-29040

2020-11-2400:00:00
ubuntu.com
ubuntu.com
10

CVSS2

6.9

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

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

14.2%

An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS
users to cause a denial of service (stack corruption), cause a data leak,
or possibly gain privileges because of an off-by-one error. NOTE: this
issue is caused by an incorrect fix for CVE-2020-27671.

Notes

Author Note
mdeslaur hypervisor packages are in universe. For issues in the hypervisor, add appropriate tags to each section, ex: Tags_xen: universe-binary
ebarretto Caused by incomplete fix of CVE-2020-27671
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchxen< anyUNKNOWN
ubuntu20.04noarchxen< anyUNKNOWN
ubuntu16.04noarchxen< anyUNKNOWN

CVSS2

6.9

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

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

14.2%