kernel: r8169: Fix possible ring buffer corruption on fragmented Tx packets.

in linux kernel r8169, when transmitting small fragmented packets, invalid entries were inserted into the transmit ring buffer, leading to calls to dmaunmapsingle with a null address...

CVE-2024-27021

In CVE-2024-27021, the Linux kernel r8169 LED handling caused a RTNL-related deadlock on module removal due to binding devm_led_classdev_register() to the netdev. The fix removes device-managed LED functions and ensures led_classdev_unregister() is safe even if registration failed. This mitigates...