Security Advisory

CVE-2021-47669

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-04-17 18:01:29
Last updated 2026-05-11 13:58:50
Assigner Linux
State PUBLISHED

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().