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CVE-2021-47670

HIGH CVSS: 8.8 Published: 2025-04-17 Modified: 2026-08-04

Description

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.

Affected Platforms

Linux Linux Kernel

Weakness Type

CWE-416

References