Two memory leaks in the rtl_usb_probe() function in drivers/net/wireless/realtek/rtlwifi/usb.c in the Linux kernel through 5.3.11 allow attackers to cause a denial of service (memory consumption), aka CID-3f9361695113.
https://www.oracle.com/security-alerts/cpuApr2021.html
https://usn.ubuntu.com/4287-2/
https://usn.ubuntu.com/4287-1/
https://usn.ubuntu.com/4285-1/
https://usn.ubuntu.com/4284-1/
https://usn.ubuntu.com/4254-2/
https://usn.ubuntu.com/4254-1/
https://security.netapp.com/advisory/ntap-20191205-0001/
https://seclists.org/bugtraq/2020/Jan/10
https://github.com/torvalds/linux/commit/3f93616951138a598d930dcaec40f2bfd9ce43bb
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html