diff options
| -rw-r--r-- | drivers/char/vt_ioctl.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index 1d44f69e1fd..24011e7c81f 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; |