7.8
CVSSv3

CVE-2021-47520

Published: 24/05/2024 Updated: 10/06/2024
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

Vulnerability Summary

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.

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linux linux kernel