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Date: Tue, 31 Dec 2013 14:33:57 +0800
From: Yongjian Xu <>
Subject: CVE request - kernel: char: Int overflow in lp_do_ioctl()


This is an integer overflow, and can be controlled via ioctl.

arg comes from user-space, so int overflow may occur in this:
LP_TIME(minor) = arg * HZ/100;

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