A memory leak in the ath10k_usb_hif_tx_sg() function in drivers/net/wireless/ath/ath10k/usb.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering usb_submit_urb() failures, aka CID-b8d17e7d93d2.
https://www.oracle.com/security-alerts/cpuApr2021.html
https://usn.ubuntu.com/4287-2/
https://usn.ubuntu.com/4287-1/
https://usn.ubuntu.com/4284-1/
https://usn.ubuntu.com/4258-1/
https://security.netapp.com/advisory/ntap-20191205-0001/
https://github.com/torvalds/linux/commit/b8d17e7d93d2beb89e4f34c59996376b8b544792
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html