Certain Cypress (and Broadcom) Wireless Combo chips, when a January 2021 firmware update is not present, allow inferences about memory content via a "Spectra" attack.Referenceshttps://www.informatik.tu-darmstadt.de/seemoo/team_seemoo/jiska_classen/index.en.jsphttps://github.com/RPi-Distro/bluez-firmware/commit/8445a53ce2c51a77472b908a0c8f6f8e1fa5c37ahttps://bugzilla.redhat.com/show_bug.cgi?id=2052676https://www.informatik.tu-darmstadt.de/fb20/aktuelles_fb20/fb20_neuigkeiten/neuigkeiten_fb20_details_203136.de.jsp