uvesafb/connector: Disallow unpliviged users to send netlink packets
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c
index aa7cd95..e35232a 100644
--- a/drivers/video/uvesafb.c
+++ b/drivers/video/uvesafb.c
@@ -72,6 +72,9 @@
struct uvesafb_task *utask;
struct uvesafb_ktask *task;
+ if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN))
+ return;
+
if (msg->seq >= UVESAFB_TASKS_MAX)
return;