Cc: Michael Tremer michael.tremer@ipfire.org Cc: Arne Fitzenreiter arne_f@ipfire.org Signed-off-by: Peter Müller peter.mueller@ipfire.org --- config/etc/sysctl.conf | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/config/etc/sysctl.conf b/config/etc/sysctl.conf index d11e53c88..7e7ebee44 100644 --- a/config/etc/sysctl.conf +++ b/config/etc/sysctl.conf @@ -45,6 +45,10 @@ kernel.kptr_restrict = 2 # Avoid kernel memory address exposures via dmesg. kernel.dmesg_restrict = 1
+# Turn on hard- and symlink protection +fs.protected_symlinks = 1 +fs.protected_hardlinks = 1 + # Minimal preemption granularity for CPU-bound tasks: # (default: 1 msec# (1 + ilog(ncpus)), units: nanoseconds) kernel.sched_min_granularity_ns = 10000000
Acked-by: Michael Tremer michael.tremer@ipfire.org
On 23 Jan 2020, at 21:28, Peter Müller peter.mueller@ipfire.org wrote:
Cc: Michael Tremer michael.tremer@ipfire.org Cc: Arne Fitzenreiter arne_f@ipfire.org Signed-off-by: Peter Müller peter.mueller@ipfire.org
config/etc/sysctl.conf | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/config/etc/sysctl.conf b/config/etc/sysctl.conf index d11e53c88..7e7ebee44 100644 --- a/config/etc/sysctl.conf +++ b/config/etc/sysctl.conf @@ -45,6 +45,10 @@ kernel.kptr_restrict = 2 # Avoid kernel memory address exposures via dmesg. kernel.dmesg_restrict = 1
+# Turn on hard- and symlink protection +fs.protected_symlinks = 1 +fs.protected_hardlinks = 1
# Minimal preemption granularity for CPU-bound tasks: # (default: 1 msec# (1 + ilog(ncpus)), units: nanoseconds) kernel.sched_min_granularity_ns = 10000000 -- 2.16.4
-
Michael Tremer -
Peter Müller