In the Linux kernel, the following vulnerability has been resolved: serial: liteuart: Fix NULL pointer dereference in ->remove() drvdata has to be set in _probe() - otherwise platform_get_drvdata() causes null pointer dereference BUG in _remove(). CREATE(Triage):(User=admin) CVE-2021-47526 (https://nvd.nist.gov/vuln/detail/CVE-2021-47526)