[PATCH 8/8] uvesafb/connector: Disallow unpliviged users to send netlink packets
From: Philipp Reisner <philipp.reisner@linbit.com>
Date: 2009-10-02 12:40:27
Also in:
dm-devel, linux-fbdev, lkml
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> --- drivers/video/uvesafb.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
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 @@ static void uvesafb_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *ns 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;
--
1.6.0.4