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CVE-2021-47123

Опубликовано: 15 мар. 2024
Источник: nvd
CVSS3: 7.8
EPSS Низкий

Описание

In the Linux kernel, the following vulnerability has been resolved:

io_uring: fix ltout double free on completion race

Always remove linked timeout on io_link_timeout_fn() from the master request link list, otherwise we may get use-after-free when first io_link_timeout_fn() puts linked timeout in the fail path, and then will be found and put on master's free.

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Версия от 5.11 (включая) до 5.12.10 (исключая)
cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*

EPSS

Процентиль: 4%
0.00018
Низкий

7.8 High

CVSS3

Дефекты

CWE-415

Связанные уязвимости

CVSS3: 7.8
ubuntu
почти 2 года назад

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix ltout double free on completion race Always remove linked timeout on io_link_timeout_fn() from the master request link list, otherwise we may get use-after-free when first io_link_timeout_fn() puts linked timeout in the fail path, and then will be found and put on master's free.

CVSS3: 7.1
redhat
почти 2 года назад

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix ltout double free on completion race Always remove linked timeout on io_link_timeout_fn() from the master request link list, otherwise we may get use-after-free when first io_link_timeout_fn() puts linked timeout in the fail path, and then will be found and put on master's free.

CVSS3: 7.8
debian
почти 2 года назад

In the Linux kernel, the following vulnerability has been resolved: i ...

CVSS3: 7.8
github
почти 2 года назад

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix ltout double free on completion race Always remove linked timeout on io_link_timeout_fn() from the master request link list, otherwise we may get use-after-free when first io_link_timeout_fn() puts linked timeout in the fail path, and then will be found and put on master's free.

CVSS3: 7.8
fstec
больше 4 лет назад

Уязвимость функции io_link_timeout_fn() модуля fs/io_uring.c поддержки файловой системы ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 4%
0.00018
Низкий

7.8 High

CVSS3

Дефекты

CWE-415