Security Advisory

CVE-2021-47670

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-04-17 18:01:30
Last updated 2026-05-11 13:58:55
Assigner Linux
State PUBLISHED

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.