net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.
- http://www.openwall.com/lists/oss-security/2021/05/11/2
- https://github.com/ARPSyndicate/cvemon
- https://github.com/NaInSec/CVE-PoC-in-GitHub
- https://github.com/SYRTI/POC_to_review
- https://github.com/WhooAmii/POC_to_review
- https://github.com/nanopathi/linux-4.19.72_CVE-2021-32399
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/trhacknon/Pocingit
- https://github.com/zecool/cve