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authorAndrew Morton <akpm@osdl.org>2005-10-30 15:03:02 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-30 17:37:25 -0800
commit0b360adbdb54d5b98b78d57ba0916bc4b8871968 (patch)
treeb793404c03c0ae77929786d0c501030791253163 /drivers
parenteb8e317998e55dc1f9e6288564052b577327b766 (diff)
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[PATCH] setkeys needs root
Because people can play games reprogramming keys and leaving traps for the next user of the console. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/vt_ioctl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 1d44f69..003dda1 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -192,6 +192,9 @@ do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm)
int i, j, k;
int ret;
+ if (!capable(CAP_SYS_TTY_CONFIG))
+ return -EPERM;
+
kbs = kmalloc(sizeof(*kbs), GFP_KERNEL);
if (!kbs) {
ret = -ENOMEM;