CVE-2026-98827 wifi: ath9k_htc: bound TX aggregation to MAX_TX_BUF_SIZE

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9khtc: bound TX aggregation to MAXTXBUFSIZE hifusbtx dequeues up to MAXTXAGGRNUM 20 frames into a single txbuf of MAXTXBUFSIZE 32768 bytes, limiting the batch by record count but never by cumulative byte length. With lar...