← Database

CVE-2021-47669

HIGH CVSS: 7.8 Published: 2025-04-17 Modified: 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: can: vxcan: vxcan_xmit: fix use after free bug After calling netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the canfd_frame cfd which aliases skb memory is accessed after the netif_rx_ni().

Affected Platforms

Linux Linux Kernel

Weakness Type

CWE-416

References