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Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/xfrm_sysctl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_sysctl.c b/net/xfrm/xfrm_sysctl.c
index 380976f74c4..05a6e3d9c25 100644
--- a/net/xfrm/xfrm_sysctl.c
+++ b/net/xfrm/xfrm_sysctl.c
@@ -54,6 +54,10 @@ int __net_init xfrm_sysctl_init(struct net *net)
table[2].data = &net->xfrm.sysctl_larval_drop;
table[3].data = &net->xfrm.sysctl_acq_expires;
+ /* Don't export sysctls to unprivileged users */
+ if (net->user_ns != &init_user_ns)
+ table[0].procname = NULL;
+
net->xfrm.sysctl_hdr = register_net_sysctl(net, "net/core", table);
if (!net->xfrm.sysctl_hdr)
goto out_register;