From cc44578b5a508889beb8ae3ccd4d2bbdf17bc86c Mon Sep 17 00:00:00 2001 From: Philipp Reisner Date: Fri, 2 Oct 2009 02:40:11 +0000 Subject: [PATCH] uvesafb/connector: Disallow unpliviged users to send netlink packets Signed-off-by: Philipp Reisner Signed-off-by: David S. Miller --- drivers/video/uvesafb.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index aa7cd959cced..e35232a18571 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; -- 2.30.2