In the Linux kernel, the following vulnerability has been resolved: ch_ktls: Fix kernel panic Taking page refcount is not ideal and causes kernel panic sometimes. It's better to take tx_ctx lock for the complete skb transmit, to avoid page cleanup if ACK received in middle.
https://git.kernel.org/stable/c/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f
https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f
https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10