Indeed on Debian testing:
HTML Code:
config-4.19.0-4-amd64:CONFIG_SECURITY_DMESG_RESTRICT=y
sudo echo "kernel.dmesg_restrict=1" > /etc/sysctl.d/kernel_dmesg.conf
sudo echo "kernel.dmesg_restrict=1" > /etc/sysctl.d/kernel_dmesg.conf
echo "kernel.dmesg_restrict=1" | sudo tee /etc/sysctl.d/kernel_dmesg.conf
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