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CVE-2021-47596

Опубликовано: 19 июн. 2024
Источник: debian
EPSS Низкий

Описание

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg Currently, the hns3_remove function firstly uninstall client instance, and then uninstall acceletion engine device. The netdevice is freed in client instance uninstall process, but acceletion engine device uninstall process still use it to trace runtime information. This causes a use after free problem. So fixes it by check the instance register state to avoid use after free.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
linuxfixed5.15.15-1package
linuxfixed5.10.92-1bullseyepackage
linuxnot-affectedbusterpackage

Примечания

  • https://git.kernel.org/linus/27cbf64a766e86f068ce6214f04c00ceb4db1af4 (5.16-rc6)

EPSS

Процентиль: 15%
0.00048
Низкий

Связанные уязвимости

CVSS3: 7.8
ubuntu
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg Currently, the hns3_remove function firstly uninstall client instance, and then uninstall acceletion engine device. The netdevice is freed in client instance uninstall process, but acceletion engine device uninstall process still use it to trace runtime information. This causes a use after free problem. So fixes it by check the instance register state to avoid use after free.

CVSS3: 7.3
redhat
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg Currently, the hns3_remove function firstly uninstall client instance, and then uninstall acceletion engine device. The netdevice is freed in client instance uninstall process, but acceletion engine device uninstall process still use it to trace runtime information. This causes a use after free problem. So fixes it by check the instance register state to avoid use after free.

CVSS3: 7.8
nvd
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg Currently, the hns3_remove function firstly uninstall client instance, and then uninstall acceletion engine device. The netdevice is freed in client instance uninstall process, but acceletion engine device uninstall process still use it to trace runtime information. This causes a use after free problem. So fixes it by check the instance register state to avoid use after free.

CVSS3: 7.8
github
около 1 года назад

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg Currently, the hns3_remove function firstly uninstall client instance, and then uninstall acceletion engine device. The netdevice is freed in client instance uninstall process, but acceletion engine device uninstall process still use it to trace runtime information. This causes a use after free problem. So fixes it by check the instance register state to avoid use after free.

CVSS3: 7.8
fstec
больше 3 лет назад

Уязвимость функции hclgevf_send_mbx_msg() (drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c) драйвера сетевых адаптеров Hisilicon HNS3 ядра операционной системы Linux, позволяющая нарушителю повысить свои привилегии

EPSS

Процентиль: 15%
0.00048
Низкий