Uninitialized Data Structure Vulnerability in Linux Kernel's mp_get_count Function

CVE-2013-4516 · MEDIUM Severity

AV:L/AC:L/AU:N/C:C/I:N/A:N

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.

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