CVE-2020-27670

Опубликовано: 22 окт. 2020

Источник: nvd

CVSS3: 7.8

CVSS2: 6.9

EPSS Низкий

Описание

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.

Ссылки

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html
Mailing List
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/01/19/9
Mailing List
Third Party Advisory
http://xenbits.xen.org/xsa/advisory-347.html
Patch
Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2/
https://security.gentoo.org/glsa/202011-06
Third Party Advisory
https://www.debian.org/security/2020/dsa-4804
Third Party Advisory
https://xenbits.xen.org/xsa/advisory-347.html
Patch
Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html
Mailing List
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/01/19/9
Mailing List
Third Party Advisory
http://xenbits.xen.org/xsa/advisory-347.html
Patch
Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2/
https://security.gentoo.org/glsa/202011-06
Third Party Advisory
https://www.debian.org/security/2020/dsa-4804
Third Party Advisory
https://xenbits.xen.org/xsa/advisory-347.html
Patch
Vendor Advisory

Уязвимые конфигурации

Конфигурация 1

cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*

Версия до 4.14.0 (включая)

Конфигурация 2

Одно из

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

Конфигурация 3

cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

Конфигурация 4

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

EPSS

Процентиль: 13%

0.00044

Низкий

7.8 High

CVSS3

6.9 Medium

CVSS2

Дефекты

CWE-345

Связанные уязвимости

CVE-2020-27670

CVSS3: 7.8

ubuntu

больше 5 лет назад

CVE-2020-27670

CVSS3: 7.8

redhat

больше 5 лет назад

CVE-2020-27670

CVSS3: 7.8

debian

больше 5 лет назад

An issue was discovered in Xen through 4.14.x allowing x86 guest OS us ...

GHSA-5mqq-gcv3-gmvf

CVSS3: 7.8

github

больше 3 лет назад

openSUSE-SU-2020:1844-1

suse-cvrf

больше 5 лет назад

Security update for xen

EPSS

Процентиль: 13%

0.00044

Низкий

7.8 High

CVSS3

6.9 Medium

CVSS2

Дефекты

CWE-345