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CVE-2021-47668

Опубликовано: 17 апр. 2025
Источник: debian
EPSS Низкий

Описание

In the Linux kernel, the following vulnerability has been resolved: can: dev: can_restart: fix use after free bug After calling netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is accessed after the netif_rx_ni() in: stats->rx_bytes += cf->len; Reordering the lines solves the issue.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
linuxfixed5.10.12-1package

Примечания

  • https://git.kernel.org/linus/03f16c5075b22c8902d2af739969e878b0879c94 (5.11-rc5)

EPSS

Процентиль: 6%
0.00024
Низкий

Связанные уязвимости

CVSS3: 7.8
ubuntu
10 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: can: dev: can_restart: fix use after free bug After calling netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is accessed after the netif_rx_ni() in: stats->rx_bytes += cf->len; Reordering the lines solves the issue.

CVSS3: 5.5
redhat
10 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: can: dev: can_restart: fix use after free bug After calling netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is accessed after the netif_rx_ni() in: stats->rx_bytes += cf->len; Reordering the lines solves the issue.

CVSS3: 7.8
nvd
10 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: can: dev: can_restart: fix use after free bug After calling netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is accessed after the netif_rx_ni() in: stats->rx_bytes += cf->len; Reordering the lines solves the issue.

CVSS3: 7.8
github
10 месяцев назад

In the Linux kernel, the following vulnerability has been resolved: can: dev: can_restart: fix use after free bug After calling netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is accessed after the netif_rx_ni() in: stats->rx_bytes += cf->len; Reordering the lines solves the issue.

suse-cvrf
9 месяцев назад

Security update for the Linux Kernel

EPSS

Процентиль: 6%
0.00024
Низкий