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

From: Philipp Reisner
Date: Fri Oct 02 2009 - 08:40:38 EST


Signed-off-by: Philipp Reisner <philipp.reisner@xxxxxxxxxx>
---
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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/