CVE-2023-53432: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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 products

• Linux Linux Kernel: before 5.15.128 (fixed in 5.15.128); from 5.16, before 6.1.47 (fixed in 6.1.47); from 6.2, before 6.4.12 (fixed in 6.4.12)

Published 2025-09-18. Last modified 2026-08-04.