Kernel Stack Memory Disclosure via TIOCGICOUNT ioctl Call

Kernel Stack Memory Disclosure via TIOCGICOUNT ioctl Call

CVE-2010-4077 · LOW Severity

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

The ntty_ioctl_tiocgicount function in drivers/char/nozomi.c in the Linux kernel 2.6.36.1 and earlier 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.

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