To avoid this noise on the list, please *thoroughly* test those changes before. Although this is a trivial patch itself with only a one-line change, those changes can have loads of implications. Best, -Michael On Sun, 2018-08-19 at 20:14 +0200, Peter Müller wrote: > Hello, > > please ignore this patch as it contains some errors leading > to key lookup failures in sysctl. > > Sorry for the inconvenience. > > Thanks, and best regards, > Peter Müller > > > Signed-off-by: Peter Müller > > --- > > config/etc/sysctl.conf | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/config/etc/sysctl.conf b/config/etc/sysctl.conf > > index 011c4287e..5735dd42e 100644 > > --- a/config/etc/sysctl.conf > > +++ b/config/etc/sysctl.conf > > @@ -48,3 +48,7 @@ kernel.kptr_restrict = 1 > > > > # Avoid kernel memory address exposures via dmesg. > > kernel.dmesg_restrict = 1 > > + > > +# Turn off kexec, even if it's built in (dangerous because > > +# it can replace the running kernel). > > +kernel.kexec_load_disabled = 1 > > > >