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CVE-2020-27674

Опубликовано: 22 окт. 2020
Источник: nvd
CVSS3: 5.3
CVSS2: 4.6
EPSS Низкий

Описание

An issue was discovered in Xen through 4.14.x allowing x86 PV guest OS users to gain guest OS privileges by modifying kernel memory contents, because invalidation of TLB entries is mishandled during use of an INVLPG-like attack technique.

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:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Конфигурация 3
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

EPSS

Процентиль: 22%
0.00073
Низкий

5.3 Medium

CVSS3

4.6 Medium

CVSS2

Дефекты

CWE-787

Связанные уязвимости

CVSS3: 5.3
ubuntu
больше 5 лет назад

An issue was discovered in Xen through 4.14.x allowing x86 PV guest OS users to gain guest OS privileges by modifying kernel memory contents, because invalidation of TLB entries is mishandled during use of an INVLPG-like attack technique.

CVSS3: 5.3
redhat
больше 5 лет назад

An issue was discovered in Xen through 4.14.x allowing x86 PV guest OS users to gain guest OS privileges by modifying kernel memory contents, because invalidation of TLB entries is mishandled during use of an INVLPG-like attack technique.

CVSS3: 5.3
debian
больше 5 лет назад

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

CVSS3: 5.3
github
больше 3 лет назад

An issue was discovered in Xen through 4.14.x allowing x86 PV guest OS users to gain guest OS privileges by modifying kernel memory contents, because invalidation of TLB entries is mishandled during use of an INVLPG-like attack technique.

suse-cvrf
около 5 лет назад

Security update for xen

EPSS

Процентиль: 22%
0.00073
Низкий

5.3 Medium

CVSS3

4.6 Medium

CVSS2

Дефекты

CWE-787