Uninitialized Structure Vulnerability in Linux Kernel's __tun_chr_ioctl Function

CVE-2012-6547 · LOW Severity

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

The __tun_chr_ioctl function in drivers/net/tun.c in the Linux kernel before 3.6 does not initialize a certain structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.

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