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CVE-2021-46991

Опубликовано: 28 фев. 2024
Источник: nvd
CVSS3: 7.8
EPSS Низкий

Описание

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

i40e: Fix use-after-free in i40e_client_subtask()

Currently the call to i40e_client_del_instance frees the object pf->cinst, however pf->cinst->lan_info is being accessed after the free. Fix this by adding the missing return.

Addresses-Coverity: ("Read from pointer after free")

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Версия от 4.16 (включая) до 4.19.191 (исключая)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Версия от 4.20 (включая) до 5.4.120 (исключая)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Версия от 5.5 (включая) до 5.10.38 (исключая)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Версия от 5.11 (включая) до 5.11.22 (исключая)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Версия от 5.12 (включая) до 5.12.5 (исключая)

EPSS

Процентиль: 3%
0.00016
Низкий

7.8 High

CVSS3

Дефекты

CWE-416

Связанные уязвимости

CVSS3: 7.8
ubuntu
почти 2 года назад

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix use-after-free in i40e_client_subtask() Currently the call to i40e_client_del_instance frees the object pf->cinst, however pf->cinst->lan_info is being accessed after the free. Fix this by adding the missing return. Addresses-Coverity: ("Read from pointer after free")

CVSS3: 7.1
redhat
почти 2 года назад

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix use-after-free in i40e_client_subtask() Currently the call to i40e_client_del_instance frees the object pf->cinst, however pf->cinst->lan_info is being accessed after the free. Fix this by adding the missing return. Addresses-Coverity: ("Read from pointer after 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: i40e: Fix use-after-free in i40e_client_subtask() Currently the call to i40e_client_del_instance frees the object pf->cinst, however pf->cinst->lan_info is being accessed after the free. Fix this by adding the missing return. Addresses-Coverity: ("Read from pointer after free")

CVSS3: 7.8
fstec
почти 2 года назад

Уязвимость функции i40e_client_subtask() ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 3%
0.00016
Низкий

7.8 High

CVSS3

Дефекты

CWE-416