This particular backdoor affects sshd on systems that use libsystemd for logging.
your Debian system is probably not affected because Debian stable doesn't update packages very quickly. You're probably on an older release of the backdoored package.
This particular backdoor affects sshd on systems that use libsystemd for logging.
your Debian system is probably not affected because Debian stable doesn't update packages very quickly. You're probably on an older release of the backdoored package.