cvedb.io
CVE-2021-47668
HIGH · CVSS 8.8
EPSS exploitation probability: 0%
Published 2025-04-17T18:15:43.623 · Last modified 2026-08-04T10:17:12.543

Summary

In the Linux kernel, the following vulnerability has been resolved: can: dev: can_restart: fix use after free bug After calling netif_rx_ni(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is accessed after the netif_rx_ni() in: stats->rx_bytes += cf->len; 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.