kernel: use-after-free in read in vt_do_kdgkb_ioctl

A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality...

DEBIAN-CVE-2013-4516

The mpgetcount function in drivers/staging/sb105x/sbpcimp.c in the Linux kernel before 3.12 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call...