[dm-devel] [PATCH 8/8] uvesafb/connector: Disallow unpliviged users to send netlink packets
Philipp Reisner
philipp.reisner at linbit.com
Fri Oct 2 12:40:11 UTC 2009
Signed-off-by: Philipp Reisner <philipp.reisner at 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
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