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[8/8] uvesafb/connector: Disallow unpliviged users to send netlink packets

Message ID 1254487211-11810-9-git-send-email-philipp.reisner@linbit.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Philipp Reisner Oct. 2, 2009, 12:40 p.m. UTC 
None
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Patch

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;