I can confirm that this bug is fixed in bionic: # echo "x" > /proc/sysrq-trigger Nov 14 20:38:58 panzersperre kernel: sysrq: SysRq : Nov 14 20:38:58 panzersperre kernel: This sysrq operation is disabled from userspace.
I don't have a disco or eoan to test. ** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1851380 Title: root can lift kernel lockdown To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1851380/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
