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7.8высокая

CVE-2021-47670

Описание

In the Linux kernel, the following vulnerability has been resolved: can: peak_usb: fix use after free bugs After calling peak_usb_netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is accessed after the peak_usb_netif_rx_ni(). Reordering the lines solves the issue.

Затрагиваемое ПО
Linux Linux kernel
CVSS
Балл7.8 — высокая
ВекторCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Источники
https://git.kernel.org/stable/c/50aca891d7a554db0901b245167cd653d73aaa71https://git.kernel.org/stable/c/5408824636fa0dfedb9ecb0d94abd573131bfbbehttps://git.kernel.org/stable/c/ddd1416f44130377798c1430b76503513b7497c2https://git.kernel.org/stable/c/ec939c13c3fff2114479769c8380b7f1a54feca9