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CVE-2021-20196

Опубликовано: 26 мая 2021
Источник: nvd
CVSS3: 6.5
CVSS2: 2.1
EPSS Низкий

Описание

A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Уязвимые конфигурации

Конфигурация 1
cpe:2.3:a:qemu:qemu:5.2.0:-:*:*:*:*:*:*
Конфигурация 2

Одно из

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

EPSS

Процентиль: 7%
0.00031
Низкий

6.5 Medium

CVSS3

2.1 Low

CVSS2

Дефекты

CWE-476
CWE-476

Связанные уязвимости

CVSS3: 6.5
ubuntu
около 4 лет назад

A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

CVSS3: 3.2
redhat
больше 4 лет назад

A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

CVSS3: 6.5
debian
около 4 лет назад

A NULL pointer dereference flaw was found in the floppy disk emulator ...

suse-cvrf
больше 3 лет назад

Security update for qemu

suse-cvrf
больше 3 лет назад

Security update for qemu

EPSS

Процентиль: 7%
0.00031
Низкий

6.5 Medium

CVSS3

2.1 Low

CVSS2

Дефекты

CWE-476
CWE-476