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uvesafb/connector: Disallow unpliviged users to send netlink packets

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(cherry picked from commit 30efa3f76813b17445bc5a2e443ae9731518566b)

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Philipp Reisner
2009-10-13 11:28:18 +02:00
committed by Greg Kroah-Hartman
parent 85a79fc56e
commit 127f1bdba5
1 changed files with 3 additions and 0 deletions
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3
drivers/video/uvesafb.c
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@@ -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;