CVE-2013-4516 Information

Description

The mp_get_count function in drivers/staging/sb105x/sb_pci_mp.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.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a8b33654b1e3b0c74d4a1fed041c9aae50b3c427 http://www.openwall.com/lists/oss-security/2013/11/04/22 http://www.ubuntu.com/usn/USN-2069-1 http://www.ubuntu.com/usn/USN-2070-1 http://www.ubuntu.com/usn/USN-2073-1 http://www.ubuntu.com/usn/USN-2075-1 https://github.com/torvalds/linux/commit/a8b33654b1e3b0c74d4a1fed041c9aae50b3c427 https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.12.bz2