CVE-2023-53802

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> wifi: ath9k: htc_hst: free skb in ath9k_htc_rx_msg() if there is no callback function<br /> <br /> It is stated that ath9k_htc_rx_msg() either frees the provided skb or<br /> passes its management to another callback function. However, the skb is<br /> not freed in case there is no another callback function, and Syzkaller was<br /> able to cause a memory leak. Also minor comment fix.<br /> <br /> Found by Linux Verification Center (linuxtesting.org) with Syzkaller.