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path: root/drivers/char/vt_ioctl.c
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Diffstat (limited to 'drivers/char/vt_ioctl.c')
-rw-r--r--drivers/char/vt_ioctl.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 1d44f69e1fda..24011e7c81ff 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -80,6 +80,9 @@ do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, struct kbd_str
if (copy_from_user(&tmp, user_kbe, sizeof(struct kbentry)))
return -EFAULT;
+ if (!capable(CAP_SYS_TTY_CONFIG))
+ perm = 0;
+
switch (cmd) {
case KDGKBENT:
key_map = key_maps[s];
@@ -192,6 +195,9 @@ do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm)
int i, j, k;
int ret;
+ if (!capable(CAP_SYS_TTY_CONFIG))
+ perm = 0;
+
kbs = kmalloc(sizeof(*kbs), GFP_KERNEL);
if (!kbs) {
ret = -ENOMEM;