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CVE-2020-27821

Опубликовано: 08 дек. 2020
Источник: ubuntu
Приоритет: medium
EPSS Низкий
CVSS2: 2.1
CVSS3: 6

Описание

A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.

РелизСтатусПримечание
bionic

not-affected

code not present
devel

released

1:5.2+dfsg-2ubuntu1
esm-infra-legacy/trusty

not-affected

code not present
esm-infra/bionic

not-affected

code not present
esm-infra/focal

not-affected

1:4.2-3ubuntu6.12
esm-infra/xenial

not-affected

code not present
focal

released

1:4.2-3ubuntu6.12
groovy

released

1:5.0-5ubuntu9.4
precise/esm

DNE

trusty

ignored

end of standard support

Показывать по

РелизСтатусПримечание
bionic

DNE

devel

DNE

esm-infra-legacy/trusty

DNE

esm-infra/focal

DNE

focal

DNE

groovy

DNE

precise/esm

not-affected

code not present
trusty

DNE

trusty/esm

DNE

upstream

needs-triage

Показывать по

EPSS

Процентиль: 4%
0.00022
Низкий

2.1 Low

CVSS2

6 Medium

CVSS3

Связанные уязвимости

CVSS3: 5.7
redhat
больше 4 лет назад

A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.

CVSS3: 6
nvd
больше 4 лет назад

A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.

CVSS3: 6
msrc
больше 4 лет назад

Описание отсутствует

CVSS3: 6
debian
больше 4 лет назад

A flaw was found in the memory management API of QEMU during the initi ...

CVSS3: 6
github
около 3 лет назад

A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.

EPSS

Процентиль: 4%
0.00022
Низкий

2.1 Low

CVSS2

6 Medium

CVSS3