cvedb.io
CVE-2021-47520
HIGH · CVSS 8.8
EPSS exploitation probability: 0%
Published 2024-05-24T15:15:14.003 · Last modified 2026-08-04T10:17:07.277

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.

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.