Certain Cypress (and Broadcom) Wireless Combo chips such as CYW43455, when a 2021-01-26 Bluetooth firmware update is not present, allow a Bluetooth outage via a Spectra attack.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Bluez-firmware | Ubuntu | trusty | * |
| Bluez-firmware | Ubuntu | xenial | * |
| Linux-firmware-raspi2 | Ubuntu | bionic | * |
| Linux-firmware-raspi2 | Ubuntu | esm-infra/bionic | * |
| Linux-firmware-raspi2 | Ubuntu | focal | * |
| Linux-firmware-raspi2 | Ubuntu | trusty | * |
| Linux-firmware-raspi2 | Ubuntu | upstream | * |
| Linux-firmware-raspi2 | Ubuntu | xenial | * |