kernel: drivers/serial/serial_core.c: reading uninitialized stack memory

The uartgetcount function in drivers/serial/serialcore.c in the Linux kernel before 2.6.37-rc1 does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call...

kernel: drivers/serial/serial_core.c: reading uninitialized stack memory

The uartgetcount function in drivers/serial/serialcore.c in the Linux kernel before 2.6.37-rc1 does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call...