ГлавнаяУязвимости → CVE-2021-47520
7.8высокая

CVE-2021-47520

→ есть в БДУ: BDU:2024-04566 (на русском)
Описание (на английском; русское — в БДУ выше)

In the Linux kernel, the following vulnerability has been resolved: can: pch_can: pch_can_rx_normal: fix use after free After calling netif_receive_skb(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is dereferenced just after the call netif_receive_skb(skb). 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/3a3c46e2eff0577454860a203be1a8295f4acb76https://git.kernel.org/stable/c/3e193ef4e0a3f5bf92ede83ef214cb09d01b00aahttps://git.kernel.org/stable/c/6c73fc931658d8cbc8a1714b326cb31eb71d16a7https://git.kernel.org/stable/c/703dde112021c93d6e89443c070e7dbd4dea612ehttps://git.kernel.org/stable/c/94cddf1e9227a171b27292509d59691819c458dbhttps://git.kernel.org/stable/c/abb4eff3dcd2e583060082a18a8dbf31f02689d4https://git.kernel.org/stable/c/affbad02bf80380a7403885b9fe4a1587d1bb4f3https://git.kernel.org/stable/c/bafe343a885c70dddf358379cf0b2a1c07355d8d