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CVE-2021-34556

Опубликовано: 02 авг. 2021
Источник: nvd
CVSS3: 5.5
CVSS2: 2.1
EPSS Низкий

Описание

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.

Уязвимые конфигурации

Конфигурация 1
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Версия до 5.13.7 (включая)
Конфигурация 2

Одно из

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Конфигурация 3
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

EPSS

Процентиль: 13%
0.00043
Низкий

5.5 Medium

CVSS3

2.1 Low

CVSS2

Дефекты

CWE-203

Связанные уязвимости

CVSS3: 5.5
ubuntu
больше 4 лет назад

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.

CVSS3: 4.4
redhat
больше 4 лет назад

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.

CVSS3: 5.5
msrc
больше 4 лет назад

In the Linux kernel through 5.13.7 an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.

CVSS3: 5.5
debian
больше 4 лет назад

In the Linux kernel through 5.13.7, an unprivileged BPF program can ob ...

github
больше 3 лет назад

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.

EPSS

Процентиль: 13%
0.00043
Низкий

5.5 Medium

CVSS3

2.1 Low

CVSS2

Дефекты

CWE-203