firewire: net: fix use after free in fwnet_finish_incoming_packet()
CVE-2023-53432

Currently unrated

Key Information:

Vendor

Linux

Status
Vendor
CVE Published:
18 September 2025

What is CVE-2023-53432?

In the Linux kernel, the following vulnerability has been resolved:

firewire: net: fix use after free in fwnet_finish_incoming_packet()

The netif_rx() function frees the skb so we can't dereference it to save the skb->len.

Affected Version(s)

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2ea70379e4f4efa95c9daa7f3f9bdd4d40aec927

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9040adc38cf6bfbb77034d558ac2c52f70d840ac

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9860921ab4521252dc39bb21b9c936bd09a00982

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2023-53432 : Use After Free Vulnerability in Linux Kernel Firewire Networking Component