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CVE-2020-27672

Опубликовано: 22 окт. 2020
Источник: nvd
CVSS3: 7
CVSS2: 6.9
EPSS Низкий

Описание

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages.

Уязвимые конфигурации

Конфигурация 1
cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*
Версия от 3.2.0 (включая) до 4.14.0 (включая)
Конфигурация 2
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Конфигурация 3

Одно из

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Конфигурация 4
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

EPSS

Процентиль: 11%
0.00039
Низкий

7 High

CVSS3

6.9 Medium

CVSS2

Дефекты

CWE-362

Связанные уязвимости

CVSS3: 7
ubuntu
больше 5 лет назад

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages.

CVSS3: 7.8
redhat
больше 5 лет назад

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages.

CVSS3: 7
debian
больше 5 лет назад

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

CVSS3: 7
github
больше 3 лет назад

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages.

CVSS3: 7
fstec
больше 5 лет назад

Уязвимость гипервизора Xen, вызванная одновременным выполнением с использованием общего ресурса с неправильной синхронизацией («Ситуация гонки»), позволяющая нарушителю вызвать отказ в обслуживании или повысить свои привилегии

EPSS

Процентиль: 11%
0.00039
Низкий

7 High

CVSS3

6.9 Medium

CVSS2

Дефекты

CWE-362