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Date: Sun, 30 Jul 2017 12:47:35 +0800 (CST)
From: sohu0106 <>
Subject: Linux kernel: net/irda/af_irda.c: irda_getsockopt() stack infoleak


Sometimes irda_getsockopt() doesn't initialize all members of list field of irda_device_list struct.  This structure is then copied to
userland.  It leads to leaking of contents of kernel stack memory.  We have to initialize them to zero , or it will allows local users to obtain potentially sensitive information from kernel stack memory by reading a copy of this structure

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